[  523.639968] bond0: (slave eth0): making interface the new active one
[  523.640068] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.819221] bond0: (slave eth0): Releasing backup interface
[  527.892379] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.048550] bond0: (slave eth0): Releasing backup interface
[  532.071240] bond0 (unregistering): Released all slaves