[  522.062613] bond0: (slave eth0): making interface the new active one
[  522.062709] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.218223] bond0: (slave eth0): Releasing backup interface
[  526.281085] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.446768] bond0: (slave eth0): Releasing backup interface
[  530.485794] bond0 (unregistering): Released all slaves