[  520.832319] bond0: (slave eth0): making interface the new active one
[  520.832402] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.995734] bond0: (slave eth0): Releasing backup interface
[  525.060546] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.230278] bond0: (slave eth0): Releasing backup interface
[  529.260237] bond0 (unregistering): Released all slaves