[ 1390.699310][ T8306] br1: port 1(veth1) entered blocking state
[ 1390.700568][ T8306] br1: port 1(veth1) entered disabled state
[ 1390.701180][ T8306] veth1: entered allmulticast mode
[ 1390.702981][ T8306] veth1: entered promiscuous mode
[ 1390.854048][   T51] br1: port 1(veth1) entered blocking state
[ 1390.854350][   T51] br1: port 1(veth1) entered forwarding state
[ 1425.213815][ T8397] br1: port 1(veth1) entered disabled state
[ 1425.398280][ T8399] veth1: left allmulticast mode
[ 1425.400250][ T8399] veth1: left promiscuous mode
[ 1425.400787][ T8399] br1: port 1(veth1) entered disabled state