[  513.753236] bond0: (slave eth0): making interface the new active one
[  513.753333] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.971781] bond0: (slave eth0): Releasing backup interface
[  518.079352] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.258921] bond0: (slave eth0): Releasing backup interface
[  522.290900] bond0 (unregistering): Released all slaves