[  521.943474] bond0: (slave eth0): making interface the new active one
[  521.943623] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.096291] bond0: (slave eth0): Releasing backup interface
[  526.179298] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.323516] bond0: (slave eth0): Releasing backup interface
[  530.352514] bond0 (unregistering): Released all slaves