c1
--

+ ip tcp_metrics show
10.4.0.67 age 76.572sec cwnd 10 rtt 4501us rttvar 6100us source 10.4.0.50
192.168.119.82 age 11.133sec ssthresh 15 cwnd 32 rtt 15228us rttvar 9789us source 192.168.115.50
10.4.0.50 age 76.743sec cwnd 10 rtt 1820us rttvar 3245us source 10.4.0.50
10.4.0.82 age 0.272sec source 10.4.0.50


s1
--

+ ip tcp_metrics show
10.4.0.50 age 76.800sec cwnd 10 rtt 1683us rttvar 3014us source 10.4.0.82
192.168.115.50 age 11.047sec cwnd 10 rtt 12525us rttvar 7081us 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 10230608 bytes 154292 pkt (dropped 0, overlimits 814 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           154292
  bytes        10230608
  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 364761998 bytes 248906 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 374826392 bytes 248908 pkt (dropped 0, overlimits 369274 requeues 0) 
 backlog 0b 0p requeues 0
 memory used: 112472b 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        2.3ms
  av_delay        2.1ms
  sp_delay          0us
  backlog            0b
  pkts           248908
  bytes       374826392
  way_inds            0
  way_miss            0
  way_cols            0
  sce            133617
  marks              77
  drops               0
  ack_drop            0
  sp_flows            0
  bk_flows            1
  un_flows            0
  max_len          9084
  quantum          1514

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 8070702 bytes 154294 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 5.0ms
 Sent 374826748 bytes 248911 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 5.0ms
 Sent 10231168 bytes 154299 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0