[  523.944078] bond0: (slave eth0): making interface the new active one
[  523.944207] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.149345] bond0: (slave eth0): Releasing backup interface
[  528.233089] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.378984] bond0: (slave eth0): Releasing backup interface
[  532.408933] bond0 (unregistering): Released all slaves