[  518.744265] bond0: (slave eth0): making interface the new active one
[  518.744388] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.903138] bond0: (slave eth0): Releasing backup interface
[  522.976417] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.129634] bond0: (slave eth0): Releasing backup interface
[  527.167167] bond0 (unregistering): Released all slaves