[  517.887059] bond0: (slave eth0): making interface the new active one
[  517.887137] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.129953] bond0: (slave eth0): Releasing backup interface
[  522.233628] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.418028] bond0: (slave eth0): Releasing backup interface
[  526.448908] bond0 (unregistering): Released all slaves