[  829.435309][ T8973] bond0: (slave eth0): making interface the new active one
[  829.436037][ T8973] bond0: (slave eth0): Enslaving as an active interface with an up link
[  834.231163][ T8977] bond0: (slave eth0): Releasing backup interface
[  834.776037][ T8980] bond0: (slave eth0): Enslaving as an active interface with an up link
[  839.454570][  T257] bond0: (slave eth0): Releasing backup interface
[  839.853384][  T257] bond0 (unregistering): Released all slaves