[  514.223383] bond0: (slave eth0): making interface the new active one
[  514.223458] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.417762] bond0: (slave eth0): Releasing backup interface
[  518.483250] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.648142] bond0: (slave eth0): Releasing backup interface
[  522.672173] bond0 (unregistering): Released all slaves