[  517.969020] bond0: (slave eth0): making interface the new active one
[  517.969165] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.126696] bond0: (slave eth0): Releasing backup interface
[  522.203918] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.353075] bond0: (slave eth0): Releasing backup interface
[  526.380013] bond0 (unregistering): Released all slaves