[  502.280765] bond0: (slave eth0): making interface the new active one
[  502.280856] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.451347] bond0: (slave eth0): Releasing backup interface
[  506.532901] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.679581] bond0: (slave eth0): Releasing backup interface
[  510.715495] bond0 (unregistering): Released all slaves