[  511.814779] bond0: (slave eth0): making interface the new active one
[  511.814877] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.062408] bond0: (slave eth0): Releasing backup interface
[  516.189976] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.414103] bond0: (slave eth0): Releasing backup interface
[  520.456952] bond0 (unregistering): Released all slaves