Seeing this or something very similar on xenial s390x:
Dec 6 00:25:48 s0lp3 ntpd[238439]: Deleting interface #163484 tap3c93ac38-8a, fe80::fc16:3eff:fe05:6903%805261#123, interface stats: received=0, sent=0, dropped=0, active_time=206 secs Dec 6 00:25:53 s0lp3 ntpd[238439]: ./../lib/isc/unix/ifiter_getifaddrs.c:163: INSIST(ifa->ifa_name != ((void *)0)) failed Dec 6 00:25:53 s0lp3 ntpd[238439]: exiting (due to assertion failure)
Seeing this or something very similar on xenial s390x:
Dec 6 00:25:48 s0lp3 ntpd[238439]: Deleting interface #163484 tap3c93ac38-8a, fe80::fc16: 3eff:fe05: 6903%805261# 123, interface stats: received=0, sent=0, dropped=0, active_time=206 secs isc/unix/ ifiter_ getifaddrs. c:163: INSIST( ifa->ifa_ name != ((void *)0)) failed
Dec 6 00:25:53 s0lp3 ntpd[238439]: ./../lib/
Dec 6 00:25:53 s0lp3 ntpd[238439]: exiting (due to assertion failure)