[  523.867062] bond0: (slave eth0): making interface the new active one
[  523.867168] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.029115] bond0: (slave eth0): Releasing backup interface
[  528.107552] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.257193] bond0: (slave eth0): Releasing backup interface
[  532.285203] bond0 (unregistering): Released all slaves