[  659.873168] bond0: (slave eth0): making interface the new active one
[  659.873270] bond0: (slave eth0): Enslaving as an active interface with an up link
[  664.073659] bond0: (slave eth0): Releasing backup interface
[  664.140114] bond0: (slave eth0): Enslaving as an active interface with an up link
[  668.301279] bond0: (slave eth0): Releasing backup interface
[  668.321306] bond0 (unregistering): Released all slaves