[  523.371968] bond0: (slave eth0): making interface the new active one
[  523.372039] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.570469] bond0: (slave eth0): Releasing backup interface
[  527.643235] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.799158] bond0: (slave eth0): Releasing backup interface
[  531.838759] bond0 (unregistering): Released all slaves