RHN Proxy having jabberd osad clients continuously connecting and disconnecting

Issue

• The /var/log/messages of RHN Proxy is getting filled with messages about clients connecting and disconecting:

Jan 13 02:21:13 rhnproxy jabberd/c2s[4094]: [98] [172.25.9.31, port=54529] connect
Jan 13 02:21:13 rhnproxy jabberd/c2s[4094]: [98] legacy authentication succeeded: host=, username=osad-fb5e90fe33, resource=osad, TLS negotiated
Jan 13 02:21:13 rhnproxy jabberd/c2s[4094]: [98] requesting session: jid=osad-fb5e90fe33@rhnproxy.example.com/osad
Jan 13 02:21:13 rhnproxy jabberd/sm[4087]: session started: jid=osad-fb5e90rhnproxy.example.com/osad
Jan 13 02:22:19 rhnproxy jabberd/c2s[4094]: [98] [172.25.9.31, port=54529] timed out
Jan 13 02:22:19 rhnproxy jabberd/sm[4087]: session ended: jid=osad-bbf632e6d4@rhnproxy.example.com/osad
Jan 13 02:22:19 rhnproxy jabberd/c2s[4094]: [98] [172.25.9.31, port=54529] disconnect jid=osad-fb5e90fe33@rhnproxy.example.com/osad, packets: 6

• The /var/log/osad on the client shows the connection timing out:

2014-01-09 15:42:40 jabber_lib._orig_dispatch: <error><host-gone xmlns = 'urn:ietf:params:xml:ns:xmpp-streams'  /><text xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' >connection timed out</text></error>
2014-01-09 15:42:53 jabber_lib.process: Closing socket
2014-01-09 15:42:53 jabber_lib.main: Sleeping 69 seconds
...
2014-01-09 15:45:15 jabber_lib._orig_dispatch: <error><host-gone xmlns = 'urn:ietf:params:xml:ns:xmpp-streams'  /><text xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' >connection timed out</text></error>
2014-01-09 15:45:30 jabber_lib.process: Closing socket
2014-01-09 15:45:30 jabber_lib.main: Sleeping 115 seconds
...
2014-01-09 15:48:48 jabber_lib._orig_dispatch: <error><host-gone xmlns = 'urn:ietf:params:xml:ns:xmpp-streams'  /><text xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' >connection timed out</text></error>