[  517.971654] bond0: (slave eth0): making interface the new active one
[  517.971762] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.133309] bond0: (slave eth0): Releasing backup interface
[  522.202604] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.361289] bond0: (slave eth0): Releasing backup interface
[  526.388101] bond0 (unregistering): Released all slaves