[  521.851129] bond0: (slave eth0): making interface the new active one
[  521.851264] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.051829] bond0: (slave eth0): Releasing backup interface
[  526.131476] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.281170] bond0: (slave eth0): Releasing backup interface
[  530.305927] bond0 (unregistering): Released all slaves