[  517.342907] bond0: (slave eth0): making interface the new active one
[  517.342991] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.582433] bond0: (slave eth0): Releasing backup interface
[  521.704790] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.928929] bond0: (slave eth0): Releasing backup interface
[  525.952848] bond0 (unregistering): Released all slaves