[  511.942712] bond0: (slave eth0): making interface the new active one
[  511.942856] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.190646] bond0: (slave eth0): Releasing backup interface
[  516.297399] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.475202] bond0: (slave eth0): Releasing backup interface
[  520.503187] bond0 (unregistering): Released all slaves