[ 1532.888296][ T7456] br1: port 1(veth1) entered blocking state
[ 1532.888569][ T7456] br1: port 1(veth1) entered disabled state
[ 1532.888851][ T7456] veth1: entered allmulticast mode
[ 1532.891384][ T7456] veth1: entered promiscuous mode
[ 1533.040015][   T51] br1: port 1(veth1) entered blocking state
[ 1533.040335][   T51] br1: port 1(veth1) entered forwarding state
[ 1553.256575][ T7531] br1: port 1(veth1) entered disabled state
[ 1553.401526][ T7532] veth1: left allmulticast mode
[ 1553.401753][ T7532] veth1: left promiscuous mode
[ 1553.402052][ T7532] br1: port 1(veth1) entered disabled state