[  506.055046] bond0: (slave eth0): making interface the new active one
[  506.055145] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.240819] bond0: (slave eth0): Releasing backup interface
[  510.322828] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.463414] bond0: (slave eth0): Releasing backup interface
[  514.490356] bond0 (unregistering): Released all slaves