[  517.832703] bond0: (slave eth0): making interface the new active one
[  517.832795] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.076214] bond0: (slave eth0): Releasing backup interface
[  522.189548] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.359934] bond0: (slave eth0): Releasing backup interface
[  526.389898] bond0 (unregistering): Released all slaves