c1
--

+ ip tcp_metrics show
10.4.0.67 age 76.196sec cwnd 10 rtt 5291us rttvar 8089us source 10.4.0.50
192.168.119.82 age 10.625sec ssthresh 168 cwnd 168 rtt 82284us rttvar 67611us source 192.168.115.50
10.4.0.50 age 76.450sec cwnd 10 rtt 4291us rttvar 6152us source 10.4.0.50
10.4.0.82 age 0.313sec source 10.4.0.50


s1
--

+ ip tcp_metrics show
10.4.0.50 age 76.461sec cwnd 10 rtt 1693us rttvar 2987us source 10.4.0.82
192.168.115.50 age 10.500sec cwnd 10 rtt 81719us rttvar 65668us 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 8177158 bytes 123539 pkt (dropped 0, overlimits 271 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          0us
  sp_delay          0us
  backlog            0b
  pkts           123539
  bytes         8177158
  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 336392616 bytes 228978 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 345658768 bytes 228976 pkt (dropped 0, overlimits 338276 requeues 0) 
 backlog 0b 0p requeues 0
 memory used: 47328b 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        2.0ms
  av_delay        1.9ms
  sp_delay          1us
  backlog            0b
  pkts           228976
  bytes       345658768
  way_inds            0
  way_miss            0
  way_cols            0
  sce             10870
  marks               0
  drops               0
  ack_drop            0
  sp_flows            0
  bk_flows            1
  un_flows            0
  max_len         12112
  quantum          1514

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 6447628 bytes 123537 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 delay 40.0ms
 Sent 345659310 bytes 228983 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 delay 40.0ms
 Sent 8177496 bytes 123542 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0