[  539.796267] bond0: (slave eth0): making interface the new active one
[  539.796395] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.019100] bond0: (slave eth0): Releasing backup interface
[  544.104458] bond0: (slave eth0): Enslaving as an active interface with an up link
[  548.259224] bond0: (slave eth0): Releasing backup interface
[  548.285284] bond0 (unregistering): Released all slaves