[  549.388516] bond0: (slave eth0): making interface the new active one
[  549.388594] bond0: (slave eth0): Enslaving as an active interface with an up link
[  553.569618] bond0: (slave eth0): Releasing backup interface
[  553.652680] bond0: (slave eth0): Enslaving as an active interface with an up link
[  557.854906] bond0: (slave eth0): Releasing backup interface
[  557.881872] bond0 (unregistering): Released all slaves