[  539.270658] bond0: (slave eth0): making interface the new active one
[  539.270731] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.511535] bond0: (slave eth0): Releasing backup interface
[  543.607729] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.792624] bond0: (slave eth0): Releasing backup interface
[  547.813583] bond0 (unregistering): Released all slaves