[  518.801676] bond0: (slave eth0): making interface the new active one
[  518.801747] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.976628] bond0: (slave eth0): Releasing backup interface
[  523.116705] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.374626] bond0: (slave eth0): Releasing backup interface
[  527.400501] bond0 (unregistering): Released all slaves