[  518.410777] bond0: (slave eth0): making interface the new active one
[  518.410843] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.657675] bond0: (slave eth0): Releasing backup interface
[  522.763680] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.945968] bond0: (slave eth0): Releasing backup interface
[  526.973982] bond0 (unregistering): Released all slaves