Twice today I have got these messages which crashed the system, they were the final messages received before the restart, our software does block them after a few attempts, but it crashed before it gets blocked.

2014-05-14 15:58:04.364479 [NOTICE] switch_channel.c:1052 New Channel sofia/internal/nobody@54.197.142.202 [0f946278-dba2-11e3-8d31-ff61a4e4ce3a]
2014-05-14 15:58:04.364479 [DEBUG] switch_core_session.c:1006 Send signal sofia/internal/nobody@54.197.142.202 [BREAK]
2014-05-14 15:58:04.364479 [DEBUG] switch_core_session.c:1006 Send signal sofia/internal/nobody@54.197.142.202 [BREAK]
2014-05-14 15:58:04.364479 [DEBUG] switch_core_state_machine.c:415 (sofia/internal/nobody@54.197.142.202) Running State Change CS_NEW
2014-05-14 15:58:04.364479 [DEBUG] switch_core_state_machine.c:433 (sofia/internal/nobody@54.197.142.202) State NEW