[  502.725773] bond0: (slave eth0): making interface the new active one
[  502.725881] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.901856] bond0: (slave eth0): Releasing backup interface
[  506.977494] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.131408] bond0: (slave eth0): Releasing backup interface
[  511.163458] bond0 (unregistering): Released all slaves