[  506.985184] bond0: (slave eth0): making interface the new active one
[  506.985271] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.188944] bond0: (slave eth0): Releasing backup interface
[  511.280819] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.477853] bond0: (slave eth0): Releasing backup interface
[  515.501788] bond0 (unregistering): Released all slaves