[  521.779722] bond0: (slave eth0): making interface the new active one
[  521.779842] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.965917] bond0: (slave eth0): Releasing backup interface
[  526.043833] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.192689] bond0: (slave eth0): Releasing backup interface
[  530.242502] bond0 (unregistering): Released all slaves