[  517.939092] bond0: (slave eth0): making interface the new active one
[  517.939179] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.125602] bond0: (slave eth0): Releasing backup interface
[  522.194874] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.351765] bond0: (slave eth0): Releasing backup interface
[  526.381672] bond0 (unregistering): Released all slaves