Ubuntu 20.4 Libvirt Sockets Failure

[paulcwright <pa...@protonmail.com.INVALID>]

Cloudstack 4.15 and Ubuntu 20.4.

I have deployed CS with Ubuntu 18.04 with no issues with libvirt but with Ubuntu 20.4 libvirt cannot be started.

The unit libvirtd-ro.socket has entered the 'failed' state with result 'service-start-limit-hit'.
May 06 09:46:55 ns31095119 systemd[1]: libvirtd.socket: Failed with result 'service-start-limit-hit'.
-- Subject: Unit failed
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- The unit libvirtd.socket has entered the 'failed' state with result 'service-start-limit-hit'.
lines 2476-2511/2511 (END)
-- The unit libvirtd.service has entered the 'failed' state with result 'exit-code'.
May 06 09:46:55 ns31095119 systemd[1]: Failed to start Virtualization daemon.
-- Subject: A start job for unit libvirtd.service has failed
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- A start job for unit libvirtd.service has finished with a failure.
--
-- The job identifier is 7529 and the job result is failed.
May 06 09:46:55 ns31095119 systemd[1]: Dependency failed for CloudStack Agent.
-- Subject: A start job for unit cloudstack-agent.service has failed
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- A start job for unit cloudstack-agent.service has finished with a failure.
--
-- The job identifier is 7437 and the job result is dependency.
May 06 09:46:55 ns31095119 systemd[1]: cloudstack-agent.service: Job cloudstack-agent.service/start failed with result 'dependency'.
May 06 09:46:55 ns31095119 systemd[1]: libvirtd-admin.socket: Failed with result 'service-start-limit-hit'.