c1
--

+ ip tcp_metrics show
10.4.0.67 age 75.221sec cwnd 10 rtt 4266us rttvar 6115us source 10.4.0.50
192.168.119.82 age 10.048sec ssthresh 7 cwnd 10 rtt 3711us rttvar 3672us source 192.168.115.50
10.4.0.50 age 75.417sec cwnd 10 rtt 4572us rttvar 6576us source 10.4.0.50
10.4.0.82 age 0.323sec source 10.4.0.50


s1
--

+ ip tcp_metrics show
10.4.0.50 age 75.421sec cwnd 10 rtt 1717us rttvar 3029us source 10.4.0.82
192.168.115.50 age 9.915sec cwnd 10 rtt 885us rttvar 670us source 192.168.119.82


m2
--

+ tc -s -d qdisc show dev ens192
qdisc cake 1: root refcnt 2 bandwidth 50Mbit besteffort flowblind nonat nowash no-ack-filter split-gso rtt 100.0ms raw overhead 0 sce 
 Sent 9739372 bytes 147208 pkt (dropped 0, overlimits 188 requeues 0) 
 backlog 0b 0p requeues 0
 memory used: 4352b of 4Mb
 capacity estimate: 50Mbit
 min/max network layer size:           42 /     722
 min/max overhead-adjusted size:       42 /     722
 average network hdr offset:           14

                  Tin 0
  thresh         50Mbit
  target          5.0ms
  interval      100.0ms
  pk_delay          1us
  av_delay          1us
  sp_delay          0us
  backlog            0b
  pkts           147208
  bytes         9739372
  way_inds            0
  way_miss            0
  way_cols            0
  sce                 0
  marks               0
  drops               0
  ack_drop            0
  sp_flows            0
  bk_flows            1
  un_flows            0
  max_len           722
  quantum          1514

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 364290932 bytes 248256 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0

+ tc -s -d qdisc show dev ens224
qdisc cake 1: root refcnt 2 bandwidth 50Mbit besteffort flowblind nonat nowash no-ack-filter split-gso rtt 100.0ms raw overhead 0 sce 
 Sent 374848772 bytes 248258 pkt (dropped 0, overlimits 359198 requeues 0) 
 backlog 0b 0p requeues 0
 memory used: 62400b of 4Mb
 capacity estimate: 50Mbit
 min/max network layer size:           42 /    1514
 min/max overhead-adjusted size:       42 /    1514
 average network hdr offset:           14

                  Tin 0
  thresh         50Mbit
  target          5.0ms
  interval      100.0ms
  pk_delay        2.9ms
  av_delay        2.1ms
  sp_delay          1us
  backlog            0b
  pkts           248258
  bytes       374848772
  way_inds            0
  way_miss            0
  way_cols            0
  sce             31077
  marks               0
  drops               0
  ack_drop            0
  sp_flows            0
  bk_flows            1
  un_flows            0
  max_len         16654
  quantum          1514

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 7678624 bytes 147210 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0

+ tc -s -d qdisc show dev ifb4ens192
qdisc netem 1: root refcnt 2 limit 1000000
 Sent 374849110 bytes 248261 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0

+ tc -s -d qdisc show dev ifb4ens224
qdisc netem 1: root refcnt 2 limit 1000000
 Sent 9739914 bytes 147215 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0