[  521.443356] bond0: (slave eth0): making interface the new active one
[  521.443445] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.647984] bond0: (slave eth0): Releasing backup interface
[  525.718855] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.874921] bond0: (slave eth0): Releasing backup interface
[  529.898648] bond0 (unregistering): Released all slaves