Ubuntu
systemd package

Bug #1671951
Comment #43

Comment 43 for bug 1671951

Revision history for this message

Ryan Harper (raharper) wrote on 2019-10-23:

#43

I cannot verify this is working on bionic with ipv6 static addresses.

root@ubuntu:~# lsb_release -rd
Description: Ubuntu 18.04.3 LTS
Release: 18.04
root@ubuntu:~# cat /etc/cloud/build.info
build_name: server
serial: 20191021
root@ubuntu:~# uname -a
Linux ubuntu 4.15.0-66-generic #75-Ubuntu SMP Tue Oct 1 05:24:09 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
root@ubuntu:~# apt-cache policy netplan.io
netplan.io:
  Installed: 0.98-0ubuntu1~18.04.1
  Candidate: 0.98-0ubuntu1~18.04.1
  Version table:
*** 0.98-0ubuntu1~18.04.1 500
        500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     0.40.1~18.04.4 500
        500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
     0.36.1 500
        500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages
root@ubuntu:~# apt-cache policy systemd
systemd:
  Installed: 237-3ubuntu10.31
  Candidate: 237-3ubuntu10.31
  Version table:
*** 237-3ubuntu10.31 500
        500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     237-3ubuntu10.29 500
        500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
     237-3ubuntu10 500
        500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages

root@ubuntu:~# cat /etc/netplan/50-cloud-init.yaml
# This file is generated from information provided by
# the datasource. Changes to it will not persist across an instance.
# To disable cloud-init's network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
    version: 2
    ethernets:
        interface0:
            dhcp4: true
            match:
                macaddress: '52:54:00:12:34:00'
            set-name: interface0
        interface1:
            dhcp4: false
            dhcp6: false
            addresses:
            - 192.168.1.2/24
            - 2001:4800:78ff:1b:be76:4eff:fe06:1000/64
            match:
                macaddress: '52:54:00:12:34:02'
            mtu: 6666
            ipv6-mtu: 5634
            set-name: interface1
            accept-ra: false
            dhcp6-overrides:
               use-mtu: false
            link-local: [ ]

root@ubuntu:~# ip link show interface1
3: interface1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 6666 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
link/ether 52:54:00:12:34:02 brd ff:ff:ff:ff:ff:ff
# sysctl net.ipv6.conf.interface1.mtu
net.ipv6.conf.interface1.mtu = 6666

root@ubuntu:~# cat /run/systemd/network/10-netplan-interface1.link
[Match]
MACAddress=52:54:00:12:34:02

[Link]
Name=interface1
WakeOnLan=off
MTUBytes=6666
root@ubuntu:~# cat /run/systemd/network/10-netplan-interface1.network
[Match]
MACAddress=52:54:00:12:34:02
Name=interface1

[Network]
LinkLocalAddressing=no
Address=192.168.1.2/24
Address=2001:4800:78ff:1b:be76:4eff:fe06:1000/64
IPv6AcceptRA=no
IPv6MTUBytes=5634

# journalctl -o short-precise -b 0 | egrep -i "(MTU|interface1)"
Oct 23 21:28:47.968910 ubuntu kernel: virtio_net virtio3 interface1: renamed from ens6
Oct 23 21:28:50.636014 ubuntu systemd-networkd[670]: Ignoring /run/systemd/network/10-netplan-interface1.network, because it's not a regular file with suffix .netdev.
Oct 23 21:28:50.636090 ubuntu systemd-networkd[670]: Ignoring /run/systemd/network/10-netplan-interface1.link, because it's not a regular file with suffix .netdev.
Oct 23 21:28:50.636706 ubuntu systemd-networkd[670]: Ignoring /run/systemd/network/10-netplan-interface1.link, because it's not a regular file with suffix .network.
Oct 23 21:28:50.640507 ubuntu systemd-networkd[670]: interface7: Saved original MTU: 1500
Oct 23 21:28:50.642454 ubuntu systemd-networkd[670]: interface6: Saved original MTU: 1500
Oct 23 21:28:50.643050 ubuntu systemd-networkd[670]: interface5: Saved original MTU: 1500
Oct 23 21:28:50.643629 ubuntu systemd-networkd[670]: interface4: Saved original MTU: 1500
Oct 23 21:28:50.644214 ubuntu systemd-networkd[670]: interface3: Saved original MTU: 1500
Oct 23 21:28:50.644939 ubuntu systemd-networkd[670]: interface2: Saved original MTU: 1500
Oct 23 21:28:50.645025 ubuntu systemd-networkd[670]: interface1: New device has no master, continuing without
Oct 23 21:28:50.645107 ubuntu systemd-networkd[670]: interface1: Flags change: +MULTICAST +BROADCAST
Oct 23 21:28:50.645175 ubuntu systemd-networkd[670]: interface1: Link 3 added
Oct 23 21:28:50.645456 ubuntu systemd-networkd[670]: interface1: udev initialized link
Oct 23 21:28:50.647448 ubuntu systemd-networkd[670]: interface1: Saved original MTU: 6666
Oct 23 21:28:50.648100 ubuntu systemd-networkd[670]: interface0: Saved original MTU: 1500
Oct 23 21:28:50.648670 ubuntu systemd-networkd[670]: lo: Saved original MTU: 0
Oct 23 21:28:50.655303 ubuntu systemd-networkd[670]: interface1: Interface name change detected, interface1 has been renamed to ens6.
Oct 23 21:28:50.655431 ubuntu systemd-networkd[670]: ens6: Interface name change detected, ens6 has been renamed to interface1.
Oct 23 21:28:50.675541 ubuntu systemd-networkd[670]: interface1: Link state is up-to-date
Oct 23 21:28:50.675782 ubuntu systemd-networkd[670]: interface1: found matching network '/run/systemd/network/10-netplan-interface1.network'
Oct 23 21:28:50.677101 ubuntu systemd-networkd[670]: interface1: Bringing link up
Oct 23 21:28:50.677242 ubuntu systemd-networkd[670]: interface1: IPv6 successfully enabled
Oct 23 21:28:50.683588 ubuntu systemd-networkd[670]: interface1: Link does not request DHCPv6 prefix delegation
Oct 23 21:28:50.686958 ubuntu systemd-networkd[670]: interface1: Flags change: +UP +LOWER_UP +RUNNING
Oct 23 21:28:50.687472 ubuntu systemd-networkd[670]: interface1: Started LLDP.
Oct 23 21:28:50.687554 ubuntu systemd-networkd[670]: interface1: Gained carrier
Oct 23 21:28:50.687842 ubuntu systemd-networkd[670]: interface1: Setting addresses
Oct 23 21:28:50.697061 ubuntu systemd-networkd[670]: interface1: Updating address: 192.168.1.2/24 (valid forever)
Oct 23 21:28:50.698167 ubuntu systemd-networkd[670]: interface1: Addresses set
Oct 23 21:28:52.021563 ubuntu systemd-networkd[670]: interface1: Adding address: fe80::5054:ff:fe12:3402/64 (valid forever)
Oct 23 21:28:52.021588 ubuntu systemd-networkd[670]: interface1: Gained IPv6LL
Oct 23 21:28:52.053025 ubuntu systemd-networkd[670]: interface1: Updating address: 2001:4800:78ff:1b:be76:4eff:fe06:1000/64 (valid forever)
Oct 23 21:28:52.053125 ubuntu systemd-networkd[670]: interface1: Configured
Oct 23 21:28:52.056906 ubuntu systemd-networkd-wait-online[691]: managing: interface1
Oct 23 21:28:52.216772 ubuntu systemd-networkd-wait-online[691]: managing: interface1

I cannot verify this is working on bionic with ipv6 static addresses.

root@ubuntu:~# lsb_release -rd
Description:    Ubuntu 18.04.3 LTS
Release:        18.04
root@ubuntu:~# cat /etc/cloud/build.info 
build_name: server
serial: 20191021
root@ubuntu:~# uname -a
Linux ubuntu 4.15.0-66-generic #75-Ubuntu SMP Tue Oct 1 05:24:09 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
root@ubuntu:~# apt-cache policy netplan.io
netplan.io:
  Installed: 0.98-0ubuntu1~18.04.1
  Candidate: 0.98-0ubuntu1~18.04.1
  Version table:
 *** 0.98-0ubuntu1~18.04.1 500
        500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     0.40.1~18.04.4 500
        500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
     0.36.1 500
        500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages
root@ubuntu:~# apt-cache policy systemd
systemd:
  Installed: 237-3ubuntu10.31
  Candidate: 237-3ubuntu10.31
  Version table:
 *** 237-3ubuntu10.31 500
        500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     237-3ubuntu10.29 500
        500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
     237-3ubuntu10 500
        500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages

root@ubuntu:~# cat /etc/netplan/50-cloud-init.yaml 
# This file is generated from information provided by
# the datasource.  Changes to it will not persist across an instance.
# To disable cloud-init's network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
    version: 2
    ethernets:
        interface0:
            dhcp4: true
            match:
                macaddress: '52:54:00:12:34:00'
            set-name: interface0
        interface1:
            dhcp4: false
            dhcp6: false
            addresses:
            - 192.168.1.2/24
            - 2001:4800:78ff:1b:be76:4eff:fe06:1000/64
            match:
                macaddress: '52:54:00:12:34:02'
            mtu: 6666
            ipv6-mtu: 5634
            set-name: interface1
            accept-ra: false
            dhcp6-overrides:
               use-mtu: false
            link-local: [ ]

root@ubuntu:~# ip link show interface1
3: interface1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 6666 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether 52:54:00:12:34:02 brd ff:ff:ff:ff:ff:ff
# sysctl net.ipv6.conf.interface1.mtu 
net.ipv6.conf.interface1.mtu = 6666

root@ubuntu:~# cat /run/systemd/network/10-netplan-interface1.link 
[Match]
MACAddress=52:54:00:12:34:02

[Link]
Name=interface1
WakeOnLan=off
MTUBytes=6666
root@ubuntu:~# cat /run/systemd/network/10-netplan-interface1.network 
[Match]
MACAddress=52:54:00:12:34:02
Name=interface1

[Network]
LinkLocalAddressing=no
Address=192.168.1.2/24
Address=2001:4800:78ff:1b:be76:4eff:fe06:1000/64
IPv6AcceptRA=no
IPv6MTUBytes=5634

Ubuntusystemd package

Comment 43 for bug 1671951

Ubuntu
systemd package