[  666.557944] bond0: (slave eth0): making interface the new active one
[  666.558049] bond0: (slave eth0): Enslaving as an active interface with an up link
[  670.726882] bond0: (slave eth0): Releasing backup interface
[  670.787688] bond0: (slave eth0): Enslaving as an active interface with an up link
[  674.954886] bond0: (slave eth0): Releasing backup interface
[  674.974728] bond0 (unregistering): Released all slaves