c1
--

+ ip tcp_metrics show
10.4.0.67 age 76.462sec cwnd 10 rtt 4307us rttvar 6068us source 10.4.0.50
192.168.119.82 age 11.208sec ssthresh 11 cwnd 11 rtt 5091us rttvar 4008us source 192.168.115.50
10.4.0.50 age 76.624sec cwnd 10 rtt 1919us rttvar 2945us source 10.4.0.50
10.4.0.82 age 0.219sec source 10.4.0.50


s1
--

+ ip tcp_metrics show
10.4.0.50 age 76.721sec cwnd 10 rtt 1695us rttvar 3005us source 10.4.0.82
192.168.115.50 age 11.171sec cwnd 10 rtt 5094us rttvar 3522us 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 9353636 bytes 141006 pkt (dropped 0, overlimits 535 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          1us
  sp_delay          0us
  backlog            0b
  pkts           141006
  bytes         9353636
  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 365391482 bytes 249345 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 375490660 bytes 249342 pkt (dropped 3, overlimits 369943 requeues 0) 
 backlog 0b 0p requeues 0
 memory used: 135304b 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        3.4ms
  av_delay        3.0ms
  sp_delay          0us
  backlog            0b
  pkts           249345
  bytes       375490954
  way_inds            0
  way_miss            0
  way_cols            0
  sce            227351
  marks            1232
  drops               3
  ack_drop            0
  sp_flows            0
  bk_flows            1
  un_flows            0
  max_len         15140
  quantum          1514

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 7379642 bytes 141006 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 375491394 bytes 249350 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 9354076 bytes 141011 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0