[  510.701041] bond0: (slave eth0): making interface the new active one
[  510.701100] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.907688] bond0: (slave eth0): Releasing backup interface
[  514.998602] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.188056] bond0: (slave eth0): Releasing backup interface
[  519.211982] bond0 (unregistering): Released all slaves