[  517.377949] bond0: (slave eth0): making interface the new active one
[  517.378045] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.632443] bond0: (slave eth0): Releasing backup interface
[  521.752347] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.913007] bond0: (slave eth0): Releasing backup interface
[  525.936990] bond0 (unregistering): Released all slaves