[  506.327300] bond0: (slave eth0): making interface the new active one
[  506.327386] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.493767] bond0: (slave eth0): Releasing backup interface
[  510.579147] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.711285] bond0: (slave eth0): Releasing backup interface
[  514.737172] bond0 (unregistering): Released all slaves