satellite5: Why do I see many "session replaced: jid=rhn-dispatcher-sat" messages?

Issue

Why do I see many of these messages in /var/log/messages?

jabberd/c2s[7388]: [575] legacy authentication succeeded: host=, username=rhn-dispatcher-sat, resource=superclient, TLS negotiated
jabberd/c2s[7388]: [575] requesting session: jid=rhn-dispatcher-sat@satellite.example.org/superclient
jabberd/c2s[7388]: [126] [10.0.0.72, port=34637] disconnect jid=rhn-dispatcher-sat@satellite.example.org/superclient, packets: 925
jabberd/sm[7372]: session replaced: jid=rhn-dispatcher-sat@satellite.example.org/superclient
jabberd/c2s[7388]: [2251] legacy authentication succeeded: host=, username=rhn-dispatcher-sat, resource=superclient, TLS negotiated
jabberd/c2s[7388]: [2251] requesting session: jid=rhn-dispatcher-sat@satellite.example.org/superclient
jabberd/c2s[7388]: [575] [10.0.0.72, port=34834] disconnect jid=rhn-dispatcher-sat@satellite.example.org/superclient, packets: 5671
jabberd/sm[7372]: session replaced: jid=rhn-dispatcher-sat@satellite.example.org/superclient
jabberd/c2s[7388]: [575] legacy authentication succeeded: host=, username=rhn-dispatcher-sat, resource=superclient, TLS negotiated
jabberd/c2s[7388]: [575] requesting session: jid=rhn-dispatcher-sat@satellite.example.org/superclient
jabberd/c2s[7388]: [2251] [10.0.0.72, port=35661] disconnect jid=rhn-dispatcher-sat@satellite.example.org/superclient, packets: 265
jabberd/sm[7372]: session replaced: jid=rhn-dispatcher-sat@satellite.example.org/superclient
jabberd/c2s[7388]: [2251] legacy authentication succeeded: host=, username=rhn-dispatcher-sat, resource=superclient, TLS negotiated
jabberd/c2s[7388]: [2251] requesting session: jid=rhn-dispatcher-sat@satellite.example.org/superclient
jabberd/c2s[7388]: [575] [10.0.0.72, port=35687] disconnect jid=rhn-dispatcher-sat@satellite.example.org/superclient, packets: 2188