[ 1258.298527][ T8307] br1: port 1(veth1) entered blocking state
[ 1258.299046][ T8307] br1: port 1(veth1) entered disabled state
[ 1258.299496][ T8307] veth1: entered allmulticast mode
[ 1258.315273][ T8307] veth1: entered promiscuous mode
[ 1258.446483][   T56] br1: port 1(veth1) entered blocking state
[ 1258.446910][   T56] br1: port 1(veth1) entered forwarding state
[ 1278.071450][ T8446] br1: port 1(veth1) entered disabled state
[ 1278.184165][ T8447] veth1: left allmulticast mode
[ 1278.184541][ T8447] veth1: left promiscuous mode
[ 1278.185043][ T8447] br1: port 1(veth1) entered disabled state