[  513.309024] bond0: (slave eth0): making interface the new active one
[  513.309118] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.533311] bond0: (slave eth0): Releasing backup interface
[  517.654592] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.887112] bond0: (slave eth0): Releasing backup interface
[  521.910024] bond0 (unregistering): Released all slaves