Comment 4 for bug 1591249

Tried moving the IP to the bridge instead of the bond.

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source /etc/network/interfaces.d/*

auto lo
iface lo inet loopback

auto eno1
  allow-bond eno1
  iface eno1 inet manual
  bond-master bond0

auto eno2
  allow-bond eno2
  iface eno2 inet manual
  bond-master bond0

auto bond0
  iface bond0 inet manual
  bond-miimon 100
  bond-mode 4
  bond-slaves eno1 eno2

auto br0
  iface br0 inet static
  address 192.168.1.16
  gateway 192.168.1.1
  netmask 255.255.255.0
  broadcast 192.168.1.255
  bridge_ports bond0
  bridge_hello 2
  bridge_stp off
  bridge_fd 9
  bridge_maxwait 12
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Makes it worse.

$ ncftool list
error: unspecified error
error: errors in loading some config files

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$ virsh iface-list
error: Failed to list interfaces
error: internal error: failed to get number of host interfaces: unspecified error - errors in loading some config files