[  516.106347] bond0: (slave eth0): making interface the new active one
[  516.106426] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.347884] bond0: (slave eth0): Releasing backup interface
[  520.448053] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.635178] bond0: (slave eth0): Releasing backup interface
[  524.669045] bond0 (unregistering): Released all slaves