[  502.166622] bond0: (slave eth0): making interface the new active one
[  502.166769] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.394982] bond0: (slave eth0): Releasing backup interface
[  506.497935] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.681244] bond0: (slave eth0): Releasing backup interface
[  510.711925] bond0 (unregistering): Released all slaves