[  672.949289] bond0: (slave eth0): making interface the new active one
[  672.949375] bond0: (slave eth0): Enslaving as an active interface with an up link
[  677.122629] bond0: (slave eth0): Releasing backup interface
[  677.177478] bond0: (slave eth0): Enslaving as an active interface with an up link
[  681.348942] bond0: (slave eth0): Releasing backup interface
[  681.380883] bond0 (unregistering): Released all slaves