[  523.730585] bond0: (slave eth0): making interface the new active one
[  523.730670] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.894568] bond0: (slave eth0): Releasing backup interface
[  527.974848] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.112211] bond0: (slave eth0): Releasing backup interface
[  532.147132] bond0 (unregistering): Released all slaves