[  514.665058] bond0: (slave eth0): making interface the new active one
[  514.665148] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.870971] bond0: (slave eth0): Releasing backup interface
[  518.977707] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.155106] bond0: (slave eth0): Releasing backup interface
[  523.189033] bond0 (unregistering): Released all slaves