Redhat Clulster - Each node shows other node "offline" in clustat output

Hi,

[root@node1 ~]# clustat
Cluster Status for cluster2 @ Fri Dec 4 21:06:20 2015
Member Status: Quorate

Member Name ID Status
------ ---- ---- ------
node1.private.cluster2.example.com 1 Online, Local
node2.private.cluster2.example.com 2 Offline

[root@node2 ~]# clustat
Cluster Status for cluster2 @ Fri Dec 4 21:08:13 2015
Member Status: Quorate

Member Name ID Status
------ ---- ---- ------
node1.private.cluster2.example.com 1 Offline
node2.private.cluster2.example.com 2 Online, Local

Ping is happening, but omping is not happening.

What could be the reason?