[  522.485623] bond0: (slave eth0): making interface the new active one
[  522.485748] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.674807] bond0: (slave eth0): Releasing backup interface
[  526.735864] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.910731] bond0: (slave eth0): Releasing backup interface
[  530.935403] bond0 (unregistering): Released all slaves