Since 5.10.1 trying to start any VM with BIOS fails on start. There are stucks on pause immediately after start. Unlike this al VMs on OVMF starts well.

$ LC_ALL=C virt-manager --debug
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (cli:204) Launched with command line: /usr/bin/virt-manager --debug
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (virtmanager:163) virt-manager version: 3.2.0
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (virtmanager:164) virtManager import: /usr/share/virt-manager/virtManager
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (virtmanager:201) PyGObject version: 3.38.0
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (virtmanager:205) GTK version: 3.24.23
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (systray:77) Using AppIndicator3 for systray
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (systray:463) Showing systray: False
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (inspection:206) python guestfs is not installed
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (engine:113) Loading stored URIs:
qemu+ssh://master@192.168.3.9/system  
qemu:///system
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (engine:461) processing cli command uri= show_window=manager domain=
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (engine:464) No cli action requested, launching default window
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (manager:185) Showing manager
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (engine:316) window counter incremented to 1
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (engine:211) Initial gtkapplication activated
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:482) conn=qemu:///system changed to state=Connecting
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:902) Scheduling background open thread for qemu:///system
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:952) libvirt version=6006000
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:953) daemon version=6006000
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:954) conn version=5000000
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:955) qemu:///system capabilities:
<capabilities>

  <host>
    <uuid>a003001e-8c00-00b2-edcd-90e6ba5d1364</uuid>
    <cpu>
      <arch>x86_64</arch>
      <model>Penryn</model>
      <vendor>Intel</vendor>
      <microcode version="1551"/>
      <topology sockets="1" dies="1" cores="4" threads="1"/>
      <feature name="vme"/>
      <feature name="ds"/>
      <feature name="acpi"/>
      <feature name="ss"/>
      <feature name="ht"/>
      <feature name="tm"/>
      <feature name="pbe"/>
      <feature name="dtes64"/>
      <feature name="monitor"/>
      <feature name="ds_cpl"/>
      <feature name="vmx"/>
      <feature name="est"/>
      <feature name="tm2"/>
      <feature name="xtpr"/>
      <feature name="pdcm"/>
      <feature name="dca"/>
      <pages unit="KiB" size="4"/>
      <pages unit="KiB" size="2048"/>
    </cpu>
    <power_management>
      <suspend_mem/>
      <suspend_disk/>
      <suspend_hybrid/>
    </power_management>
    <iommu support="no"/>
    <migration_features>
      <live/>
      <uri_transports>
        <uri_transport>tcp</uri_transport>
        <uri_transport>rdma</uri_transport>
      </uri_transports>
    </migration_features>
    <topology>
      <cells num="1">
        <cell id="0">
          <memory unit="KiB">14324000</memory>
          <pages unit="KiB" size="4">3581000</pages>
          <pages unit="KiB" size="2048">0</pages>
          <distances>
            <sibling id="0" value="10"/>
          </distances>
          <cpus num="4">
            <cpu id="0" socket_id="0" die_id="0" core_id="0" siblings="0"/>
            <cpu id="1" socket_id="0" die_id="0" core_id="1" siblings="1"/>
            <cpu id="2" socket_id="0" die_id="0" core_id="2" siblings="2"/>
            <cpu id="3" socket_id="0" die_id="0" core_id="3" siblings="3"/>
          </cpus>
        </cell>
      </cells>
    </topology>
    <secmodel>
      <model>apparmor</model>
      <doi>0</doi>
    </secmodel>
    <secmodel>
      <model>dac</model>
      <doi>0</doi>
      <baselabel type="kvm">+64055:+108</baselabel>
      <baselabel type="qemu">+64055:+108</baselabel>
    </secmodel>
  </host>

  <guest>
    <os_type>hvm</os_type>
    <arch name="i686">
      <wordsize>32</wordsize>
      <emulator>/usr/bin/qemu-system-i386</emulator>
      <machine maxCpus="255">pc-i440fx-groovy</machine>
      <machine canonical="pc-i440fx-groovy" maxCpus="255">ubuntu</machine>
      <machine maxCpus="255">pc-i440fx-2.12</machine>
      <machine maxCpus="255">pc-i440fx-2.0</machine>
      <machine maxCpus="255">pc-i440fx-xenial</machine>
      <machine maxCpus="288">pc-q35-4.2</machine>
      <machine maxCpus="255">pc-i440fx-2.5</machine>
      <machine maxCpus="255">pc-i440fx-4.2</machine>
      <machine maxCpus="255">pc-i440fx-focal</machine>
      <machine maxCpus="255">pc-q35-xenial</machine>
      <machine maxCpus="255">pc-i440fx-1.5</machine>
      <machine maxCpus="255">pc-q35-2.7</machine>
      <machine maxCpus="288">pc-q35-eoan-hpb</machine>
      <machine maxCpus="255">pc-i440fx-disco-hpb</machine>
      <machine maxCpus="255">pc-i440fx-zesty</machine>
      <machine maxCpus="288">pc-q35-groovy</machine>
      <machine canonical="pc-q35-groovy" maxCpus="288">ubuntu-q35</machine>
      <machine maxCpus="288">pc-q35-artful</machine>
      <machine maxCpus="255">pc-i440fx-trusty</machine>
      <machine maxCpus="255">pc-i440fx-2.2</machine>
      <machine maxCpus="255">pc-i440fx-eoan-hpb</machine>
      <machine maxCpus="288">pc-q35-focal-hpb</machine>
      <machine maxCpus="255">pc-1.1</machine>
      <machine maxCpus="288">pc-q35-bionic-hpb</machine>
      <machine maxCpus="255">pc-i440fx-artful</machine>
      <machine maxCpus="255">pc-i440fx-2.7</machine>
      <machine maxCpus="255">pc-i440fx-yakkety</machine>
      <machine maxCpus="255">pc-q35-2.4</machine>
      <machine maxCpus="288">pc-q35-cosmic-hpb</machine>
      <machine maxCpus="288">pc-q35-2.10</machine>
      <machine maxCpus="255">pc-i440fx-1.7</machine>
      <machine maxCpus="288">pc-q35-2.9</machine>
      <machine maxCpus="255">pc-i440fx-2.11</machine>
      <machine maxCpus="288">pc-q35-3.1</machine>
      <machine maxCpus="288">pc-q35-4.1</machine>
      <machine maxCpus="255">pc-i440fx-2.4</machine>
      <machine maxCpus="255">pc-1.3</machine>
      <machine maxCpus="255">pc-i440fx-4.1</machine>
      <machine maxCpus="288">pc-q35-eoan</machine>
      <machine maxCpus="255">pc-i440fx-2.9</machine>
      <machine maxCpus="255">pc-i440fx-bionic-hpb</machine>
      <machine maxCpus="1">isapc</machine>
      <machine maxCpus="255">pc-i440fx-1.4</machine>
      <machine maxCpus="288">pc-q35-cosmic</machine>
      <machine maxCpus="255">pc-q35-2.6</machine>
      <machine maxCpus="255">pc-i440fx-3.1</machine>
      <machine maxCpus="288">pc-q35-bionic</machine>
      <machine maxCpus="288">pc-q35-disco-hpb</machine>
      <machine maxCpus="255">pc-i440fx-cosmic</machine>
      <machine maxCpus="288">pc-q35-2.12</machine>
      <machine maxCpus="255">pc-i440fx-bionic</machine>
      <machine maxCpus="288">pc-q35-groovy-hpb</machine>
      <machine maxCpus="288">pc-q35-disco</machine>
      <machine maxCpus="255">pc-i440fx-cosmic-hpb</machine>
      <machine maxCpus="255">pc-i440fx-2.1</machine>
      <machine maxCpus="255">pc-1.0</machine>
      <machine maxCpus="255">pc-i440fx-wily</machine>
      <machine maxCpus="255">pc-i440fx-2.6</machine>
      <machine maxCpus="288">pc-q35-4.0.1</machine>
      <machine maxCpus="255">pc-i440fx-1.6</machine>
      <machine maxCpus="288">pc-q35-5.0</machine>
      <machine canonical="pc-q35-5.0" maxCpus="288">q35</machine>
      <machine maxCpus="288">pc-q35-2.8</machine>
      <machine maxCpus="255">pc-i440fx-2.10</machine>
      <machine maxCpus="288">pc-q35-3.0</machine>
      <machine maxCpus="288">pc-q35-zesty</machine>
      <machine maxCpus="288">pc-q35-4.0</machine>
      <machine maxCpus="288">pc-q35-focal</machine>
      <machine maxCpus="288">microvm</machine>
      <machine maxCpus="255">pc-i440fx-2.3</machine>
      <machine maxCpus="255">pc-i440fx-disco</machine>
      <machine maxCpus="255">pc-1.2</machine>
      <machine maxCpus="255">pc-i440fx-4.0</machine>
      <machine maxCpus="255">pc-i440fx-focal-hpb</machine>
      <machine maxCpus="255">pc-i440fx-groovy-hpb</machine>
      <machine maxCpus="255">pc-i440fx-5.0</machine>
      <machine canonical="pc-i440fx-5.0" maxCpus="255">pc</machine>
      <machine maxCpus="255">pc-i440fx-2.8</machine>
      <machine maxCpus="255">pc-i440fx-eoan</machine>
      <machine maxCpus="255">pc-q35-2.5</machine>
      <machine maxCpus="255">pc-i440fx-3.0</machine>
      <machine maxCpus="255">pc-q35-yakkety</machine>
      <machine maxCpus="288">pc-q35-2.11</machine>
      <domain type="qemu"/>
      <domain type="kvm"/>
    </arch>
    <features>
      <pae/>
      <nonpae/>
      <acpi default="on" toggle="yes"/>
      <apic default="on" toggle="no"/>
      <cpuselection/>
      <deviceboot/>
      <disksnapshot default="on" toggle="no"/>
    </features>
  </guest>

  <guest>
    <os_type>hvm</os_type>
    <arch name="x86_64">
      <wordsize>64</wordsize>
      <emulator>/usr/bin/qemu-system-x86_64</emulator>
      <machine maxCpus="255">pc-i440fx-groovy</machine>
      <machine canonical="pc-i440fx-groovy" maxCpus="255">ubuntu</machine>
      <machine maxCpus="255">pc-i440fx-2.12</machine>
      <machine maxCpus="255">pc-i440fx-2.0</machine>
      <machine maxCpus="255">pc-i440fx-xenial</machine>
      <machine maxCpus="288">pc-q35-4.2</machine>
      <machine maxCpus="255">pc-i440fx-2.5</machine>
      <machine maxCpus="255">pc-i440fx-4.2</machine>
      <machine maxCpus="255">pc-i440fx-focal</machine>
      <machine maxCpus="255">pc-q35-xenial</machine>
      <machine maxCpus="255">pc-i440fx-1.5</machine>
      <machine maxCpus="255">pc-q35-2.7</machine>
      <machine maxCpus="288">pc-q35-eoan-hpb</machine>
      <machine maxCpus="255">pc-i440fx-zesty</machine>
      <machine maxCpus="255">pc-i440fx-disco-hpb</machine>
      <machine maxCpus="288">pc-q35-groovy</machine>
      <machine canonical="pc-q35-groovy" maxCpus="288">ubuntu-q35</machine>
      <machine maxCpus="288">pc-q35-artful</machine>
      <machine maxCpus="255">pc-i440fx-trusty</machine>
      <machine maxCpus="255">pc-i440fx-2.2</machine>
      <machine maxCpus="255">pc-i440fx-eoan-hpb</machine>
      <machine maxCpus="288">pc-q35-focal-hpb</machine>
      <machine maxCpus="255">pc-1.1</machine>
      <machine maxCpus="288">pc-q35-bionic-hpb</machine>
      <machine maxCpus="255">pc-i440fx-artful</machine>
      <machine maxCpus="255">pc-i440fx-2.7</machine>
      <machine maxCpus="255">pc-i440fx-yakkety</machine>
      <machine maxCpus="255">pc-q35-2.4</machine>
      <machine maxCpus="288">pc-q35-cosmic-hpb</machine>
      <machine maxCpus="288">pc-q35-2.10</machine>
      <machine maxCpus="255">pc-i440fx-1.7</machine>
      <machine maxCpus="288">pc-q35-2.9</machine>
      <machine maxCpus="255">pc-i440fx-2.11</machine>
      <machine maxCpus="288">pc-q35-3.1</machine>
      <machine maxCpus="288">pc-q35-4.1</machine>
      <machine maxCpus="255">pc-i440fx-2.4</machine>
      <machine maxCpus="255">pc-1.3</machine>
      <machine maxCpus="255">pc-i440fx-4.1</machine>
      <machine maxCpus="288">pc-q35-eoan</machine>
      <machine maxCpus="255">pc-i440fx-2.9</machine>
      <machine maxCpus="255">pc-i440fx-bionic-hpb</machine>
      <machine maxCpus="1">isapc</machine>
      <machine maxCpus="255">pc-i440fx-1.4</machine>
      <machine maxCpus="288">pc-q35-cosmic</machine>
      <machine maxCpus="255">pc-q35-2.6</machine>
      <machine maxCpus="288">pc-q35-bionic</machine>
      <machine maxCpus="255">pc-i440fx-3.1</machine>
      <machine maxCpus="288">pc-q35-disco-hpb</machine>
      <machine maxCpus="255">pc-i440fx-cosmic</machine>
      <machine maxCpus="288">pc-q35-2.12</machine>
      <machine maxCpus="255">pc-i440fx-bionic</machine>
      <machine maxCpus="288">pc-q35-groovy-hpb</machine>
      <machine maxCpus="288">pc-q35-disco</machine>
      <machine maxCpus="255">pc-i440fx-cosmic-hpb</machine>
      <machine maxCpus="255">pc-i440fx-2.1</machine>
      <machine maxCpus="255">pc-1.0</machine>
      <machine maxCpus="255">pc-i440fx-wily</machine>
      <machine maxCpus="255">pc-i440fx-2.6</machine>
      <machine maxCpus="288">pc-q35-4.0.1</machine>
      <machine maxCpus="255">pc-i440fx-1.6</machine>
      <machine maxCpus="288">pc-q35-5.0</machine>
      <machine canonical="pc-q35-5.0" maxCpus="288">q35</machine>
      <machine maxCpus="288">pc-q35-2.8</machine>
      <machine maxCpus="255">pc-i440fx-2.10</machine>
      <machine maxCpus="288">pc-q35-3.0</machine>
      <machine maxCpus="288">pc-q35-zesty</machine>
      <machine maxCpus="288">pc-q35-4.0</machine>
      <machine maxCpus="288">microvm</machine>
      <machine maxCpus="288">pc-q35-focal</machine>
      <machine maxCpus="255">pc-i440fx-2.3</machine>
      <machine maxCpus="255">pc-i440fx-focal-hpb</machine>
      <machine maxCpus="255">pc-1.2</machine>
      <machine maxCpus="255">pc-i440fx-4.0</machine>
      <machine maxCpus="255">pc-i440fx-disco</machine>
      <machine maxCpus="255">pc-i440fx-groovy-hpb</machine>
      <machine maxCpus="255">pc-i440fx-5.0</machine>
      <machine canonical="pc-i440fx-5.0" maxCpus="255">pc</machine>
      <machine maxCpus="255">pc-i440fx-2.8</machine>
      <machine maxCpus="255">pc-i440fx-eoan</machine>
      <machine maxCpus="255">pc-q35-2.5</machine>
      <machine maxCpus="255">pc-i440fx-3.0</machine>
      <machine maxCpus="255">pc-q35-yakkety</machine>
      <machine maxCpus="288">pc-q35-2.11</machine>
      <domain type="qemu"/>
      <domain type="kvm"/>
    </arch>
    <features>
      <acpi default="on" toggle="yes"/>
      <apic default="on" toggle="no"/>
      <cpuselection/>
      <deviceboot/>
      <disksnapshot default="on" toggle="no"/>
    </features>
  </guest>

</capabilities>

[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:739) Using domain events
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:777) Using network events
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:796) Using storage pool events
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:821) Using node device events
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:1076) network=default status=Active added
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:691) storage pool refresh event: pool=eugene
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:1076) domain=win7 status=Shutoff added
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:1076) domain=Kubuntu-20.04-x86_64-16GiB-MBR status=Shutoff added
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:1076) domain=Kubuntu-18.04.x-x86_64-15GiB status=Shutoff added
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:1076) domain=BPtest status=Shutoff added
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:1076) domain=android-x86-9.0 status=Shutoff added
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:1076) domain=Kubuntu-20.04-x86_64-16GiB-UEFI status=Shutoff added
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:1076) domain=Ubuntu_server-20.04-MBR status=Shutoff added
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:1076) domain=openwrt-19.07.2-x86-64 status=Shutoff added
[Mon, 28 Dec 2020 20:49:17 virt-manager 14579] DEBUG (connection:1076) domain=Ubuntu_Server-20.04-UEFI status=Shutoff added
[Mon, 28 Dec 2020 20:49:18 virt-manager 14579] DEBUG (connection:1076) domain=win10 status=Shutoff added
[Mon, 28 Dec 2020 20:49:18 virt-manager 14579] DEBUG (connection:691) storage pool refresh event: pool=default
[Mon, 28 Dec 2020 20:49:18 virt-manager 14579] DEBUG (connection:691) storage pool refresh event: pool=nvram
[Mon, 28 Dec 2020 20:49:18 virt-manager 14579] DEBUG (connection:1076) pool=eugene status=Active added
[Mon, 28 Dec 2020 20:49:18 virt-manager 14579] DEBUG (connection:1076) pool=default status=Active added
[Mon, 28 Dec 2020 20:49:18 virt-manager 14579] DEBUG (connection:1076) pool=nvram status=Active added
[Mon, 28 Dec 2020 20:49:18 virt-manager 14579] DEBUG (storage:139) Found default pool name=default target=/var/lib/libvirt/images
[Mon, 28 Dec 2020 20:49:18 virt-manager 14579] DEBUG (connection:482) conn=qemu:///system changed to state=Active
[Mon, 28 Dec 2020 20:49:27 virt-manager 14579] DEBUG (vmmenu:230) Starting vm 'Ubuntu_server-20.04-MBR'
[Mon, 28 Dec 2020 20:49:28 virt-manager 14579] DEBUG (connection:706) node device lifecycle event: nodedev=net_vnet0_a6_52_c3_db_fc_06 state=VIR_NODE_DEVICE_EVENT_CREATED reason=0
[Mon, 28 Dec 2020 20:49:28 virt-manager 14579] DEBUG (connection:646) domain agent lifecycle event: domain=Ubuntu_server-20.04-MBR state=VIR_CONNECT_DOMAIN_EVENT_AGENT_LIFECYCLE_STATE_DISCONNECTED reason=1
[Mon, 28 Dec 2020 20:49:29 virt-manager 14579] DEBUG (connection:631) domain lifecycle event: domain=Ubuntu_server-20.04-MBR state=VIR_DOMAIN_EVENT_RESUMED reason=VIR_DOMAIN_EVENT_RESUMED_UNPAUSED
[Mon, 28 Dec 2020 20:49:29 virt-manager 14579] DEBUG (connection:631) domain lifecycle event: domain=Ubuntu_server-20.04-MBR state=VIR_DOMAIN_EVENT_STARTED reason=VIR_DOMAIN_EVENT_STARTED_BOOTED
[Mon, 28 Dec 2020 20:49:29 virt-manager 14579] DEBUG (connection:631) domain lifecycle event: domain=Ubuntu_server-20.04-MBR state=VIR_DOMAIN_EVENT_SUSPENDED reason=VIR_DOMAIN_EVENT_SUSPENDED_PAUSED
[Mon, 28 Dec 2020 20:49:32 virt-manager 14579] DEBUG (vmmenu:224) Unpausing vm 'Ubuntu_server-20.04-MBR'
[Mon, 28 Dec 2020 20:49:32 virt-manager 14579] DEBUG (error:101) error dialog message:
summary=Error unpausing domain: internal error: unable to execute QEMU command 'cont': Resetting the Virtual Machine is required
details=Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 65, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 101, in tmpcb
    callback(*args, **kwargs)
  File "/usr/share/virt-manager/virtManager/object/libvirtobject.py", line 57, in newfn
    ret = fn(self, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/object/domain.py", line 1364, in resume
    self._backend.resume()
  File "/usr/lib/python3/dist-packages/libvirt.py", line 2174, in resume
    if ret == -1: raise libvirtError ('virDomainResume() failed', dom=self)
libvirt.libvirtError: internal error: unable to execute QEMU command 'cont': Resetting the Virtual Machine is required

[Mon, 28 Dec 2020 20:49:41 virt-manager 14579] DEBUG (vmmenu:206) Destroying vm 'Ubuntu_server-20.04-MBR'
[Mon, 28 Dec 2020 20:49:41 virt-manager 14579] DEBUG (connection:706) node device lifecycle event: nodedev=net_vnet0_a6_52_c3_db_fc_06 state=VIR_NODE_DEVICE_EVENT_DELETED reason=0
[Mon, 28 Dec 2020 20:49:41 virt-manager 14579] DEBUG (connection:1050) nodedev=net_vnet0_a6_52_c3_db_fc_06 removed
[Mon, 28 Dec 2020 20:49:41 virt-manager 14579] DEBUG (connection:631) domain lifecycle event: domain=Ubuntu_server-20.04-MBR state=VIR_DOMAIN_EVENT_STOPPED reason=VIR_DOMAIN_EVENT_STOPPED_DESTROYED
[Mon, 28 Dec 2020 20:49:45 virt-manager 14579] DEBUG (manager:196) Closing manager
[Mon, 28 Dec 2020 20:49:45 virt-manager 14579] DEBUG (engine:323) window counter decremented to 0
[Mon, 28 Dec 2020 20:49:45 virt-manager 14579] DEBUG (engine:343) No windows found, requesting app exit
[Mon, 28 Dec 2020 20:49:45 virt-manager 14579] DEBUG (connection:837) conn.close() uri=qemu:///system
[Mon, 28 Dec 2020 20:49:45 virt-manager 14579] DEBUG (connection:482) conn=qemu:///system changed to state=Disconnected
[Mon, 28 Dec 2020 20:49:45 virt-manager 14579] DEBUG (engine:369) Exiting app normally.

ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: libvirt0 6.6.0-1ubuntu3.1
Uname: Linux 5.10.3-051003-generic x86_64
ApportVersion: 2.20.11-0ubuntu50.3
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Mon Dec 28 20:45:59 2020
InstallationDate: Installed on 2019-04-13 (624 days ago)
InstallationMedia: Kubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190326.1)
KernLog:
 
ProcEnviron:
 LANGUAGE=
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=uk_UA.UTF-8
 SHELL=/bin/bash
SourcePackage: libvirt
UpgradeStatus: Upgraded to groovy on 2020-09-06 (112 days ago)
modified.conffile..etc.libvirt.nwfilter.allow-arp.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/allow-arp.xml']
modified.conffile..etc.libvirt.nwfilter.allow-dhcp-server.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/allow-dhcp-server.xml']
modified.conffile..etc.libvirt.nwfilter.allow-dhcp.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/allow-dhcp.xml']
modified.conffile..etc.libvirt.nwfilter.allow-dhcpv6-server.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/allow-dhcpv6-server.xml']
modified.conffile..etc.libvirt.nwfilter.allow-dhcpv6.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/allow-dhcpv6.xml']
modified.conffile..etc.libvirt.nwfilter.allow-incoming-ipv4.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/allow-incoming-ipv4.xml']
modified.conffile..etc.libvirt.nwfilter.allow-incoming-ipv6.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/allow-incoming-ipv6.xml']
modified.conffile..etc.libvirt.nwfilter.allow-ipv4.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/allow-ipv4.xml']
modified.conffile..etc.libvirt.nwfilter.allow-ipv6.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/allow-ipv6.xml']
modified.conffile..etc.libvirt.nwfilter.clean-traffic-gateway.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/clean-traffic-gateway.xml']
modified.conffile..etc.libvirt.nwfilter.clean-traffic.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/clean-traffic.xml']
modified.conffile..etc.libvirt.nwfilter.no-arp-ip-spoofing.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/no-arp-ip-spoofing.xml']
modified.conffile..etc.libvirt.nwfilter.no-arp-mac-spoofing.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/no-arp-mac-spoofing.xml']
modified.conffile..etc.libvirt.nwfilter.no-arp-spoofing.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/no-arp-spoofing.xml']
modified.conffile..etc.libvirt.nwfilter.no-ip-multicast.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/no-ip-multicast.xml']
modified.conffile..etc.libvirt.nwfilter.no-ip-spoofing.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/no-ip-spoofing.xml']
modified.conffile..etc.libvirt.nwfilter.no-ipv6-multicast.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/no-ipv6-multicast.xml']
modified.conffile..etc.libvirt.nwfilter.no-ipv6-spoofing.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/no-ipv6-spoofing.xml']
modified.conffile..etc.libvirt.nwfilter.no-mac-broadcast.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/no-mac-broadcast.xml']
modified.conffile..etc.libvirt.nwfilter.no-mac-spoofing.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/no-mac-spoofing.xml']
modified.conffile..etc.libvirt.nwfilter.no-other-l2-traffic.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/no-other-l2-traffic.xml']
modified.conffile..etc.libvirt.nwfilter.no-other-rarp-traffic.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/no-other-rarp-traffic.xml']
modified.conffile..etc.libvirt.nwfilter.qemu-announce-self-rarp.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/qemu-announce-self-rarp.xml']
modified.conffile..etc.libvirt.nwfilter.qemu-announce-self.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/nwfilter/qemu-announce-self.xml']
modified.conffile..etc.libvirt.qemu.conf: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/qemu.conf']
modified.conffile..etc.libvirt.qemu.networks.default.xml: [inaccessible: [Errno 13] Відмовлено у доступі: '/etc/libvirt/qemu/networks/default.xml']