[  502.324749] bond0: (slave eth0): making interface the new active one
[  502.324821] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.511430] bond0: (slave eth0): Releasing backup interface
[  506.587022] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.741626] bond0: (slave eth0): Releasing backup interface
[  510.763277] bond0 (unregistering): Released all slaves