Still there on 10.04.2. Disabling apparmor (boot with security="") helped. Rebooting with apparmor enabled again (security=apparmor) still allows openntpd to run. So, this looks like an apparmor related problem - openntpd can't do much about it (but its install scripts can).
Still there on 10.04.2. Disabling apparmor (boot with security="") helped. Rebooting with apparmor enabled again (security=apparmor) still allows openntpd to run. So, this looks like an apparmor related problem - openntpd can't do much about it (but its install scripts can).