[ 1643.895375][ T8570] br1: port 1(veth1) entered blocking state
[ 1643.895642][ T8570] br1: port 1(veth1) entered disabled state
[ 1643.895935][ T8570] veth1: entered allmulticast mode
[ 1643.898722][ T8570] veth1: entered promiscuous mode
[ 1644.067101][   T37] br1: port 1(veth1) entered blocking state
[ 1644.067446][   T37] br1: port 1(veth1) entered forwarding state
[ 1664.662931][ T8645] br1: port 1(veth1) entered disabled state
[ 1664.811802][ T8646] veth1: left allmulticast mode
[ 1664.812102][ T8646] veth1: left promiscuous mode
[ 1664.812443][ T8646] br1: port 1(veth1) entered disabled state