[  522.939084] bond0: (slave eth0): making interface the new active one
[  522.939179] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.125335] bond0: (slave eth0): Releasing backup interface
[  527.200244] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.350402] bond0: (slave eth0): Releasing backup interface
[  531.386420] bond0 (unregistering): Released all slaves