[  506.033861] bond0: (slave eth0): making interface the new active one
[  506.033951] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.227780] bond0: (slave eth0): Releasing backup interface
[  510.309369] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.452429] bond0: (slave eth0): Releasing backup interface
[  514.475353] bond0 (unregistering): Released all slaves