[  502.283066] bond0: (slave eth0): making interface the new active one
[  502.283207] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.454310] bond0: (slave eth0): Releasing backup interface
[  506.536211] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.676433] bond0: (slave eth0): Releasing backup interface
[  510.704454] bond0 (unregistering): Released all slaves