[  521.545694] bond0: (slave eth0): making interface the new active one
[  521.545774] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.707145] bond0: (slave eth0): Releasing backup interface
[  525.783013] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.932183] bond0: (slave eth0): Releasing backup interface
[  529.962138] bond0 (unregistering): Released all slaves