only error log entries I found at the moment are
confd.log
2013:11:20-18:03:16 asg01 confd[3449]: W main::single_upgrade:1174() => id="3100" severity="warn" sys="System" sub="confd" name="missing or broken upgrade" e
rror="Can't use an undefined value as an ARRAY reference at /var/confd/Upgrade/ID27912.pm line 37." upgrade="ID27912"
2013:11:20-18:03:16 asg01 confd-qrunner.pl[3481]: Cannot connect: Connection refused
kernel.log
2013:11:20-18:03:16 asg01 confd[3449]: W main::single_upgrade:1174() => id="3100" severity="warn" sys="System" sub="confd" name="missing or broken upgrade" e
rror="Can't use an undefined value as an ARRAY reference at /var/confd/Upgrade/ID27912.pm line 37." upgrade="ID27912"
2013:11:20-18:03:16 asg01 confd-qrunner.pl[3481]: Cannot connect: Connection refused
But not sure how they could be related. Will troubleshoot later more...
First guess was maybe my trusted wildcard cert I'm using for webadmin, but changing the cert via cc back to original cert seems not to help.