[  518.389899] bond0: (slave eth0): making interface the new active one
[  518.389998] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.586731] bond0: (slave eth0): Releasing backup interface
[  522.675638] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.874621] bond0: (slave eth0): Releasing backup interface
[  526.909640] bond0 (unregistering): Released all slaves