[  521.483723] bond0: (slave eth0): making interface the new active one
[  521.483808] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.651124] bond0: (slave eth0): Releasing backup interface
[  525.732765] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.884367] bond0: (slave eth0): Releasing backup interface
[  529.918333] bond0 (unregistering): Released all slaves