Maybe this is more of interest:
Feb 23 08:49:54 skynet-test systemd[1]: Starting Service for snap application lxd.activate...
Feb 23 08:50:24 skynet-test lxd.activate[2509392]: sanity timeout expired: Interrupted system call
Feb 23 08:50:42 skynet-test lxd.activate[2509370]: cannot send command 1 to helper process: Broken pipe
Feb 23 08:50:42 skynet-test systemd[1]: snap.lxd.activate.service: Main process exited, code=exited, status=1/FAILURE
Feb 23 08:50:42 skynet-test systemd[1]: snap.lxd.activate.service: Failed with result 'exit-code'.
Feb 23 08:50:42 skynet-test systemd[1]: Failed to start Service for snap application lxd.activate.
Feb 23 08:50:42 skynet-test systemd[1]: snap.lxd.activate.service: Consumed 52.352s CPU time.
But this is from the journal log and quite old… Not from todays problem