[ 1550.305763][ T4378] br1: port 1(veth1) entered blocking state
[ 1550.306030][ T4378] br1: port 1(veth1) entered disabled state
[ 1550.306283][ T4378] veth1: entered allmulticast mode
[ 1550.309335][ T4378] veth1: entered promiscuous mode
[ 1550.468854][   T51] br1: port 1(veth1) entered blocking state
[ 1550.469168][   T51] br1: port 1(veth1) entered forwarding state
[ 1566.305162][ T4437] br1: port 1(veth1) entered disabled state
[ 1566.465559][ T4438] veth1: left allmulticast mode
[ 1566.465788][ T4438] veth1: left promiscuous mode
[ 1566.466579][ T4438] br1: port 1(veth1) entered disabled state