[ 1255.974567][ T9800] br1: port 1(veth1) entered blocking state
[ 1255.975176][ T9800] br1: port 1(veth1) entered disabled state
[ 1255.975607][ T9800] veth1: entered allmulticast mode
[ 1255.979022][ T9800] veth1: entered promiscuous mode
[ 1256.100677][   T36] br1: port 1(veth1) entered blocking state
[ 1256.101297][   T36] br1: port 1(veth1) entered forwarding state
[ 1275.766404][ T9939] br1: port 1(veth1) entered disabled state
[ 1275.871827][ T9940] veth1: left allmulticast mode
[ 1275.872207][ T9940] veth1: left promiscuous mode
[ 1275.872731][ T9940] br1: port 1(veth1) entered disabled state