[  516.365770] bond0: (slave eth0): making interface the new active one
[  516.365860] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.602668] bond0: (slave eth0): Releasing backup interface
[  520.711268] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.889484] bond0: (slave eth0): Releasing backup interface
[  524.926070] bond0 (unregistering): Released all slaves