[ 1200.934895][ T9701] br1: port 1(veth1) entered blocking state
[ 1200.935348][ T9701] br1: port 1(veth1) entered disabled state
[ 1200.935799][ T9701] veth1: entered allmulticast mode
[ 1200.939442][ T9701] veth1: entered promiscuous mode
[ 1201.059831][   T37] br1: port 1(veth1) entered blocking state
[ 1201.060253][   T37] br1: port 1(veth1) entered forwarding state
[ 1220.307134][ T9840] br1: port 1(veth1) entered disabled state
[ 1220.407819][ T9841] veth1: left allmulticast mode
[ 1220.408181][ T9841] veth1: left promiscuous mode
[ 1220.408721][ T9841] br1: port 1(veth1) entered disabled state