[  522.211134] bond0: (slave eth0): making interface the new active one
[  522.211220] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.412923] bond0: (slave eth0): Releasing backup interface
[  526.483093] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.639123] bond0: (slave eth0): Releasing backup interface
[  530.677155] bond0 (unregistering): Released all slaves