[  517.847016] bond0: (slave eth0): making interface the new active one
[  517.847224] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.161487] bond0: (slave eth0): Releasing backup interface
[  522.294120] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.486967] bond0: (slave eth0): Releasing backup interface
[  526.512927] bond0 (unregistering): Released all slaves