[Bug 1819074] Re: Keepalived < 2.0.x in Ubuntu 18.04 LTS not compatible with systemd-networkd

[Edward Hope-Morley]

Looks like this has been fixed in keepalived 2.x (detection of missing
vip) - https://github.com/acassen/keepalived/issues/836 - but the patch
is embedded with a whole load others that were merged at once so might
be hard to backport.

** Bug watch added: github.com/acassen/keepalived/issues #836
   https://github.com/acassen/keepalived/issues/836

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Title:
  Keepalived < 2.0.x in Ubuntu 18.04 LTS  not compatible with systemd-
  networkd

Status in keepalived package in Ubuntu:
  Fix Released
Status in netplan.io package in Ubuntu:
  Fix Released
Status in systemd package in Ubuntu:
  Fix Released
Status in keepalived source package in Bionic:
  Triaged
Status in netplan.io source package in Bionic:
  New
Status in systemd source package in Bionic:
  New

Bug description:
  Systemd-networkd clobbers VIPs placed by other daemons on any
  reconfiguration triggering systemd-networkd restart (netplan apply for
  example).  Keepalived < version 2.0.x will not restore a VIP lost in
  this fashion, breaking high availability on Ubuntu 18.04 LTS.  A
  backport for keepalived >= 2.0.x should fix the issue.

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