[  506.275216] bond0: (slave eth0): making interface the new active one
[  506.275319] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.425493] bond0: (slave eth0): Releasing backup interface
[  510.500330] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.653611] bond0: (slave eth0): Releasing backup interface
[  514.686604] bond0 (unregistering): Released all slaves