[  521.616865] bond0: (slave eth0): making interface the new active one
[  521.616946] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.852256] bond0: (slave eth0): Releasing backup interface
[  525.958457] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.139053] bond0: (slave eth0): Releasing backup interface
[  530.173079] bond0 (unregistering): Released all slaves