[ 1872.263585][ T4512] br0: port 1(veth1) entered blocking state
[ 1872.263894][ T4512] br0: port 1(veth1) entered disabled state
[ 1872.264177][ T4512] veth1: entered allmulticast mode
[ 1872.265186][ T4512] veth1: entered promiscuous mode
[ 1872.460041][ T4517] br0: port 2(veth_segment) entered blocking state
[ 1872.460383][ T4517] br0: port 2(veth_segment) entered disabled state
[ 1872.460716][ T4517] veth_segment: entered allmulticast mode
[ 1872.461764][ T4517] veth_segment: entered promiscuous mode
[ 1872.493562][ T4518] br0: port 2(veth_segment) entered blocking state
[ 1872.493859][ T4518] br0: port 2(veth_segment) entered forwarding state
[ 1872.494395][ T4518] br0: port 1(veth1) entered blocking state
[ 1872.494684][ T4518] br0: port 1(veth1) entered forwarding state
[ 1874.923254][   T12] br0: port 1(veth1) entered disabled state
[ 1874.933761][   T12] veth1 (unregistering): left allmulticast mode
[ 1874.934037][   T12] veth1 (unregistering): left promiscuous mode
[ 1874.934319][   T12] br0: port 1(veth1) entered disabled state
[ 1874.963241][   T12] veth_segment: left allmulticast mode
[ 1874.963664][   T12] veth_segment: left promiscuous mode
[ 1874.963941][   T12] br0: port 2(veth_segment) entered disabled state
[ 1892.306798][ T4961] br0: port 1(veth1) entered blocking state
[ 1892.307105][ T4961] br0: port 1(veth1) entered disabled state
[ 1892.307380][ T4961] veth1: entered allmulticast mode
[ 1892.308370][ T4961] veth1: entered promiscuous mode
[ 1892.497026][ T4966] br0: port 2(veth_segment) entered blocking state
[ 1892.497324][ T4966] br0: port 2(veth_segment) entered disabled state
[ 1892.497595][ T4966] veth_segment: entered allmulticast mode
[ 1892.498582][ T4966] veth_segment: entered promiscuous mode
[ 1892.535800][ T4967] br0: port 2(veth_segment) entered blocking state
[ 1892.536138][ T4967] br0: port 2(veth_segment) entered forwarding state
[ 1892.536603][ T4967] br0: port 1(veth1) entered blocking state
[ 1892.536912][ T4967] br0: port 1(veth1) entered forwarding state
[ 1894.823851][ T4980] iperf3 (4980) used greatest stack depth: 21488 bytes left
[ 1894.950363][   T12] br0: port 1(veth1) entered disabled state
[ 1894.957781][   T12] veth1 (unregistering): left allmulticast mode
[ 1894.958047][   T12] veth1 (unregistering): left promiscuous mode
[ 1894.958309][   T12] br0: port 1(veth1) entered disabled state
[ 1894.994693][   T12] veth_segment: left allmulticast mode
[ 1894.994946][   T12] veth_segment: left promiscuous mode
[ 1894.995277][   T12] br0: port 2(veth_segment) entered disabled state