[  539.363540] bond0: (slave eth0): making interface the new active one
[  539.363606] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.567389] bond0: (slave eth0): Releasing backup interface
[  543.660975] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.850726] bond0: (slave eth0): Releasing backup interface
[  547.875646] bond0 (unregistering): Released all slaves