[  516.748726] bond0: (slave eth0): making interface the new active one
[  516.748820] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.909813] bond0: (slave eth0): Releasing backup interface
[  520.975814] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.139169] bond0: (slave eth0): Releasing backup interface
[  525.171940] bond0 (unregistering): Released all slaves