[  522.400207] bond0: (slave eth0): making interface the new active one
[  522.400285] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.608915] bond0: (slave eth0): Releasing backup interface
[  526.689607] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.834882] bond0: (slave eth0): Releasing backup interface
[  530.861720] bond0 (unregistering): Released all slaves