[  539.909059] bond0: (slave eth0): making interface the new active one
[  539.909145] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.083916] bond0: (slave eth0): Releasing backup interface
[  544.188261] bond0: (slave eth0): Enslaving as an active interface with an up link
[  548.367746] bond0: (slave eth0): Releasing backup interface
[  548.398653] bond0 (unregistering): Released all slaves