[  518.288716] bond0: (slave eth0): making interface the new active one
[  518.288808] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.442387] bond0: (slave eth0): Releasing backup interface
[  522.516022] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.672019] bond0: (slave eth0): Releasing backup interface
[  526.704896] bond0 (unregistering): Released all slaves