[  516.871716] bond0: (slave eth0): making interface the new active one
[  516.871783] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.034642] bond0: (slave eth0): Releasing backup interface
[  521.103747] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.262089] bond0: (slave eth0): Releasing backup interface
[  525.295751] bond0 (unregistering): Released all slaves