[ 1532.163265][ T9861] br1: port 1(veth1) entered blocking state
[ 1532.164518][ T9861] br1: port 1(veth1) entered disabled state
[ 1532.165289][ T9861] veth1: entered allmulticast mode
[ 1532.167127][ T9861] veth1: entered promiscuous mode
[ 1532.307958][   T51] br1: port 1(veth1) entered blocking state
[ 1532.308304][   T51] br1: port 1(veth1) entered forwarding state
[ 1548.148430][ T9920] br1: port 1(veth1) entered disabled state
[ 1548.301056][ T9922] veth1: left allmulticast mode
[ 1548.301302][ T9922] veth1: left promiscuous mode
[ 1548.301632][ T9922] br1: port 1(veth1) entered disabled state