[  537.953968] bond0: (slave eth0): making interface the new active one
[  537.954040] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.227780] bond0: (slave eth0): Releasing backup interface
[  542.317765] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.518694] bond0: (slave eth0): Releasing backup interface
[  546.548601] bond0 (unregistering): Released all slaves