[  538.608505] bond0: (slave eth0): making interface the new active one
[  538.608599] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.798177] bond0: (slave eth0): Releasing backup interface
[  542.884481] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.083676] bond0: (slave eth0): Releasing backup interface
[  547.106652] bond0 (unregistering): Released all slaves