[  518.446540] bond0: (slave eth0): making interface the new active one
[  518.446642] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.644255] bond0: (slave eth0): Releasing backup interface
[  522.717436] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.872275] bond0: (slave eth0): Releasing backup interface
[  526.895183] bond0 (unregistering): Released all slaves