[  522.187220] bond0: (slave eth0): making interface the new active one
[  522.187305] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.347250] bond0: (slave eth0): Releasing backup interface
[  526.417894] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.570529] bond0: (slave eth0): Releasing backup interface
[  530.597261] bond0 (unregistering): Released all slaves