Note that this also appears to affect openntpd in the same fashion, see following for log excerpt of a fresh 18.04 install with the latest openntpd installation:
Nov 23 13:27:34 gbjcdc01 kernel: [1542242.548426] audit: type=1400 audit(1542941854.500:97): apparmor="DENIED" operation="sendmsg" info="Failed name lookup - disconnected path" error=-13 profile="/usr/sbin/ntpd" name="run/systemd/journal/dev-log" pid=5693 comm="ntpd" requested_mask="w" denied_mask="w" fsuid=0 ouid=0
Note that this also appears to affect openntpd in the same fashion, see following for log excerpt of a fresh 18.04 install with the latest openntpd installation:
Nov 23 13:27:34 gbjcdc01 kernel: [1542242.548426] audit: type=1400 audit(154294185 4.500:97) : apparmor="DENIED" operation="sendmsg" info="Failed name lookup - disconnected path" error=-13 profile= "/usr/sbin/ ntpd" name="run/ systemd/ journal/ dev-log" pid=5693 comm="ntpd" requested_mask="w" denied_mask="w" fsuid=0 ouid=0