c1
--

+ ip tcp_metrics show
10.4.0.67 age 76.427sec cwnd 10 rtt 2879us rttvar 4170us source 10.4.0.50
192.168.119.82 age 10.368sec ssthresh 137 cwnd 131 rtt 81521us rttvar 43530us source 192.168.115.50
10.4.0.50 age 76.652sec cwnd 10 rtt 4274us rttvar 6133us source 10.4.0.50
10.4.0.82 age 0.176sec source 10.4.0.50


s1
--

+ ip tcp_metrics show
10.4.0.50 age 76.752sec cwnd 10 rtt 1715us rttvar 2980us source 10.4.0.82
192.168.115.50 age 10.335sec cwnd 10 rtt 81315us rttvar 46824us 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 7170758 bytes 107931 pkt (dropped 0, overlimits 421 requeues 0) 
 backlog 0b 0p requeues 0
 memory used: 6528b 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           107931
  bytes         7170758
  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 299811444 bytes 204785 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 308025516 bytes 204782 pkt (dropped 0, overlimits 272457 requeues 0) 
 backlog 0b 0p requeues 0
 memory used: 771232b 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        1.2ms
  av_delay        357us
  sp_delay          1us
  backlog            0b
  pkts           204782
  bytes       308025516
  way_inds            0
  way_miss            0
  way_cols            0
  sce             25781
  marks              33
  drops               0
  ack_drop            0
  sp_flows            0
  bk_flows            1
  un_flows            0
  max_len         15140
  quantum          1514

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 5659694 bytes 107928 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 308026100 bytes 204790 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 7171036 bytes 107933 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0