[  506.449533] bond0: (slave eth0): making interface the new active one
[  506.449611] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.597582] bond0: (slave eth0): Releasing backup interface
[  510.665692] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.824316] bond0: (slave eth0): Releasing backup interface
[  514.848256] bond0 (unregistering): Released all slaves