netstat shows it is listening.
After trying to run mon in foreground this is what i got:
~# ceph-mon -i 0 -d -c /etc/ceph/ceph.conf
2014-09-18 01:29:10.057089 7f2700d13780 0 ceph version 0.80.5 (xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx), process ceph-mon, pid 7267
2014-09-18 01:29:10.058536 7f2700d13780 -1 asok(0x3444d20) AdminSocketConfigObs::init: failed: AdminSocket::bind_and_listen: failed to bind the UNIX domain socket to '/var/run/ceph/ceph-mon.0.asok': (17) File exists
IO error: lock /var/lib/ceph/mon/ceph-0/store.db/LOCK: Resource temporarily unavailable
IO error: lock /var/lib/ceph/mon/ceph-0/store.db/LOCK: Resource temporarily unavailable
2014-09-18 01:29:10.058655 7f2700d13780 -1 failed to create new leveldb store
Looks like MONs not starting at all.