[  502.187172] bond0: (slave eth0): making interface the new active one
[  502.187257] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.390570] bond0: (slave eth0): Releasing backup interface
[  506.464807] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.617318] bond0: (slave eth0): Releasing backup interface
[  510.648321] bond0 (unregistering): Released all slaves