[  521.164671] bond0: (slave eth0): making interface the new active one
[  521.164773] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.324170] bond0: (slave eth0): Releasing backup interface
[  525.400559] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.557407] bond0: (slave eth0): Releasing backup interface
[  529.581392] bond0 (unregistering): Released all slaves