[  513.240927] bond0: (slave eth0): making interface the new active one
[  513.241026] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.473870] bond0: (slave eth0): Releasing backup interface
[  517.586243] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.810990] bond0: (slave eth0): Releasing backup interface
[  521.841940] bond0 (unregistering): Released all slaves