[  538.446216] bond0: (slave eth0): making interface the new active one
[  538.446296] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.677033] bond0: (slave eth0): Releasing backup interface
[  542.769844] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.162762] bond0: (slave eth0): Releasing backup interface
[  547.189805] bond0 (unregistering): Released all slaves