[  506.047679] bond0: (slave eth0): making interface the new active one
[  506.047938] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.358751] bond0: (slave eth0): Releasing backup interface
[  510.446008] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.639343] bond0: (slave eth0): Releasing backup interface
[  514.670329] bond0 (unregistering): Released all slaves