[  518.337431] bond0: (slave eth0): making interface the new active one
[  518.337558] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.508631] bond0: (slave eth0): Releasing backup interface
[  522.592692] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.734461] bond0: (slave eth0): Releasing backup interface
[  526.761452] bond0 (unregistering): Released all slaves