[  506.215566] bond0: (slave eth0): making interface the new active one
[  506.215658] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.411286] bond0: (slave eth0): Releasing backup interface
[  510.486781] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.634354] bond0: (slave eth0): Releasing backup interface
[  514.662341] bond0 (unregistering): Released all slaves