[ 1740.073217][ T7781] br1: port 1(veth1) entered blocking state
[ 1740.073513][ T7781] br1: port 1(veth1) entered disabled state
[ 1740.073791][ T7781] veth1: entered allmulticast mode
[ 1740.075648][ T7781] veth1: entered promiscuous mode
[ 1740.251073][   T37] br1: port 1(veth1) entered blocking state
[ 1740.251430][   T37] br1: port 1(veth1) entered forwarding state
[ 1756.895656][ T7841] br1: port 1(veth1) entered disabled state
[ 1757.059253][ T7842] veth1: left allmulticast mode
[ 1757.059586][ T7842] veth1: left promiscuous mode
[ 1757.060811][ T7842] br1: port 1(veth1) entered disabled state