[  521.324455] bond0: (slave eth0): making interface the new active one
[  521.324529] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.531608] bond0: (slave eth0): Releasing backup interface
[  525.645272] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.824551] bond0: (slave eth0): Releasing backup interface
[  529.851009] bond0 (unregistering): Released all slaves