c1
--

+ ip tcp_metrics show
10.4.0.67 age 75.217sec cwnd 10 rtt 3828us rttvar 5346us source 10.4.0.50
192.168.119.82 age 10.004sec ssthresh 49 cwnd 35 rtt 16335us rttvar 14199us source 192.168.115.50
10.4.0.50 age 75.447sec cwnd 10 rtt 4421us rttvar 5814us source 10.4.0.50
10.4.0.82 age 0.320sec source 10.4.0.50


s1
--

+ ip tcp_metrics show
10.4.0.50 age 75.412sec cwnd 10 rtt 1728us rttvar 3022us source 10.4.0.82
192.168.115.50 age 9.869sec cwnd 10 rtt 11016us rttvar 8764us 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 9464140 bytes 143038 pkt (dropped 0, overlimits 227 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          1us
  av_delay          0us
  sp_delay          0us
  backlog            0b
  pkts           143038
  bytes         9464140
  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 364412424 bytes 247974 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 374421782 bytes 247975 pkt (dropped 0, overlimits 368543 requeues 0) 
 backlog 0b 0p requeues 0
 memory used: 69888b 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        5.1ms
  av_delay        4.4ms
  sp_delay          1us
  backlog            0b
  pkts           247975
  bytes       374421782
  way_inds            0
  way_miss            0
  way_cols            0
  sce            124822
  marks              91
  drops               0
  ack_drop            0
  sp_flows            0
  bk_flows            1
  un_flows            0
  max_len          7570
  quantum          1514

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 7461726 bytes 143039 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 374422162 bytes 247979 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 9464622 bytes 143044 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0