[  513.584470] bond0: (slave eth0): making interface the new active one
[  513.584549] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.783095] bond0: (slave eth0): Releasing backup interface
[  517.907052] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.124921] bond0: (slave eth0): Releasing backup interface
[  522.155871] bond0 (unregistering): Released all slaves