c1
--

+ ip tcp_metrics show
10.4.0.67 age 77.457sec cwnd 10 rtt 4261us rttvar 6197us source 10.4.0.50
192.168.119.82 age 12.217sec ssthresh 6 cwnd 11 rtt 3192us rttvar 2272us source 192.168.115.50
10.4.0.50 age 77.625sec cwnd 10 rtt 1959us rttvar 2994us source 10.4.0.50
10.4.0.82 age 0.179sec source 10.4.0.50


s1
--

+ ip tcp_metrics show
10.4.0.50 age 77.762sec cwnd 10 rtt 1809us rttvar 3209us source 10.4.0.82
192.168.115.50 age 12.217sec cwnd 10 rtt 2906us rttvar 2813us 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 10798364 bytes 162894 pkt (dropped 0, overlimits 530 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          3us
  av_delay          0us
  sp_delay          0us
  backlog            0b
  pkts           162894
  bytes        10798364
  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 364900594 bytes 249177 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 375236602 bytes 249177 pkt (dropped 0, overlimits 365001 requeues 0) 
 backlog 0b 0p requeues 0
 memory used: 89168b 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        2.6ms
  av_delay        1.9ms
  sp_delay          0us
  backlog            0b
  pkts           249177
  bytes       375236602
  way_inds            0
  way_miss            0
  way_cols            0
  sce             66349
  marks               1
  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 8517938 bytes 162894 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 375237042 bytes 249182 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 10798804 bytes 162899 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0