[  517.829923] bond0: (slave eth0): making interface the new active one
[  517.830025] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.006890] bond0: (slave eth0): Releasing backup interface
[  522.093051] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.290326] bond0: (slave eth0): Releasing backup interface
[  526.312212] bond0 (unregistering): Released all slaves