[  847.373978][ T9924] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  847.468300][ T9925] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  847.557529][ T9926] br0: port 1(veth0) entered blocking state
[  847.557814][ T9926] br0: port 1(veth0) entered disabled state
[  847.559292][ T9926] veth0: entered allmulticast mode
[  847.561195][ T9926] veth0: entered promiscuous mode
[  847.652976][ T9927] br0: port 2(veth1) entered blocking state
[  847.653288][ T9927] br0: port 2(veth1) entered disabled state
[  847.653574][ T9927] veth1: entered allmulticast mode
[  847.654827][ T9927] veth1: entered promiscuous mode
[  848.094720][ T1517] br0: port 1(veth0) entered blocking state
[  848.094974][ T1517] br0: port 1(veth0) entered forwarding state
[  848.095938][ T1517] br0: port 2(veth1) entered blocking state
[  848.096150][ T1517] br0: port 2(veth1) entered forwarding state
[  849.350619][   T12] bond0: (slave veth1): link status definitely up
[  849.351158][   T12] bond0: (slave veth1): making interface the new active one
[  849.352713][   T12] bond0: active interface up!
[  849.799637][ T9029] veth1: left allmulticast mode
[  849.799869][ T9029] veth1: left promiscuous mode
[  849.800201][ T9029] br0: port 2(veth1) entered disabled state
[  849.802997][ T9029] veth0: left allmulticast mode
[  849.803228][ T9029] veth0: left promiscuous mode
[  849.803521][ T9029] br0: port 1(veth0) entered disabled state
[  849.976896][ T9029] bond0: (slave veth1): Releasing backup interface
[  850.173857][ T9029] bond0: (slave veth0): Releasing backup interface
[  850.564489][ T9029] bond0 (unregistering): Released all slaves