[  535.223202] bond0: (slave eth0): making interface the new active one
[  535.223284] bond0: (slave eth0): Enslaving as an active interface with an up link
[  539.404685] bond0: (slave eth0): Releasing backup interface
[  539.487147] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.693692] bond0: (slave eth0): Releasing backup interface
[  543.712668] bond0 (unregistering): Released all slaves