[  548.562875] bond0: (slave eth0): making interface the new active one
[  548.562943] bond0: (slave eth0): Enslaving as an active interface with an up link
[  552.784631] bond0: (slave eth0): Releasing backup interface
[  552.878815] bond0: (slave eth0): Enslaving as an active interface with an up link
[  557.211745] bond0: (slave eth0): Releasing backup interface
[  557.253741] bond0 (unregistering): Released all slaves