[  522.264312] bond0: (slave eth0): making interface the new active one
[  522.264412] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.409017] bond0: (slave eth0): Releasing backup interface
[  526.481222] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.632203] bond0: (slave eth0): Releasing backup interface
[  530.669140] bond0 (unregistering): Released all slaves