We have 2 10 gig ports in our 7200 series controller I have a list of logs hope this can help:
2016-03-29 03:17:39 Switching to LMS 10.125.120.5: Missed heartbeats: Last Sequence Generated=47103 Sent=47103 Rcvd=47095. Last Ctrl message: KEEPALIVE len=45 dest=10.125.120.5 tries=1 seq=16
2016-03-29 03:17:41 New connection,
Changing to LMS (10.125.120.5) [cur_lms_index: 0, event: REDUN_EVENT_TUNNEL_UP, cur_state: REDUN_STATE_TUNNEL_LMS, function: redun_tunnel_up(5301)]
2016-03-29 05:18:27 Switching to LMS 10.125.120.5: Missed heartbeats: Last Sequence Generated=50009 Sent=50009 Rcvd=50001. Last Ctrl message: KEEPALIVE len=45 dest=10.125.120.5 tries=1 seq=11
2016-03-29 05:18:29 New connection, Changing to LMS (10.125.120.5) [cur_lms_index: 0, event: REDUN_EVENT_TUNNEL_UP, cur_state: REDUN_STATE_TUNNEL_LMS, function: redun_tunnel_up(5301)]
2016-03-29 07:18:16 Switching to LMS 10.125.120.5: Missed heartbeats: Last Sequence Generated=52936 Sent=52936 Rcvd=52927. Last Ctrl message: KEEPALIVE len=45 dest=10.125.120.5 tries=1 seq=11
2016-03-29 07:18:17 New connection, Changing to LMS (10.125.120.5) [cur_lms_index: 0, event: REDUN_EVENT_TUNNEL_UP, cur_state: REDUN_STATE_TUNNEL_LMS, function: redun_tunnel_up(5301)