[  508.979637] bond0: (slave eth0): making interface the new active one
[  508.979734] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.237651] bond0: (slave eth0): Releasing backup interface
[  513.348260] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.533255] bond0: (slave eth0): Releasing backup interface
[  517.571984] bond0 (unregistering): Released all slaves