[  517.798983] bond0: (slave eth0): making interface the new active one
[  517.799085] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.009493] bond0: (slave eth0): Releasing backup interface
[  522.100626] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.297539] bond0: (slave eth0): Releasing backup interface
[  526.335473] bond0 (unregistering): Released all slaves