[  518.446664] bond0: (slave eth0): making interface the new active one
[  518.446732] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.646809] bond0: (slave eth0): Releasing backup interface
[  522.735294] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.939415] bond0: (slave eth0): Releasing backup interface
[  526.969057] bond0 (unregistering): Released all slaves