c1
--

+ ip tcp_metrics show
10.4.0.67 age 76.393sec cwnd 10 rtt 3939us rttvar 5390us source 10.4.0.50
192.168.119.82 age 11.059sec ssthresh 10 cwnd 22 rtt 13135us rttvar 7457us source 192.168.115.50
10.4.0.50 age 76.569sec cwnd 10 rtt 1948us rttvar 3023us source 10.4.0.50
10.4.0.82 age 0.220sec source 10.4.0.50


s1
--

+ ip tcp_metrics show
10.4.0.50 age 76.664sec cwnd 10 rtt 1725us rttvar 3043us source 10.4.0.82
192.168.115.50 age 11.015sec cwnd 10 rtt 12130us rttvar 6730us 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 10176488 bytes 153472 pkt (dropped 0, overlimits 845 requeues 1) 
 backlog 0b 0p requeues 1
 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          3us
  av_delay          1us
  sp_delay          0us
  backlog            0b
  pkts           153472
  bytes        10176488
  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 364832194 bytes 248900 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 374817308 bytes 248902 pkt (dropped 0, overlimits 370511 requeues 0) 
 backlog 0b 0p requeues 0
 memory used: 108136b 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        2.1ms
  av_delay        2.0ms
  sp_delay          0us
  backlog            0b
  pkts           248902
  bytes       374817308
  way_inds            0
  way_miss            0
  way_cols            0
  sce            148100
  marks              91
  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 8028062 bytes 153474 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 374817664 bytes 248905 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 10177048 bytes 153479 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0