c2
--

+ ip tcp_metrics show
192.168.119.83 age 5.649sec cwnd 10 rtt 1718us rttvar 1533us source 192.168.115.51
10.4.0.68 age 70.781sec cwnd 14 rtt 2721us rttvar 3920us source 10.4.0.51
10.4.0.51 age 70.941sec cwnd 10 rtt 3014us rttvar 4829us source 10.4.0.51
10.4.0.83 age 70.844sec cwnd 15 rtt 3965us rttvar 5751us source 10.4.0.51


s2
--

+ ip tcp_metrics show
10.4.0.51 age 70.938sec cwnd 10 rtt 1631us rttvar 2879us source 10.4.0.83
192.168.115.51 age 5.742sec cwnd 10 rtt 947us rttvar 562us source 192.168.119.83


m3
--

+ tc -s -d qdisc show dev ens192
qdisc htb 1: root refcnt 2 r2q 10 default 0x1 direct_packets_stat 0 ver 3.17 direct_qlen 1000
 Sent 8157604 bytes 123242 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80bf: parent 1:1 limit 10000p target 15.0ms tupdate 16.0ms alpha 0.156250 beta 3.195312 l4s_ect coupling_factor 2 drop_on_overload step_thresh 1.0ms drop_dequeue classic_protection 10% 
 Sent 8157604 bytes 123242 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 0us delay_l 0us
pkts_in_c 123242 pkts_in_l 0 maxq 0
ecn_mark 0 step_marks 0
credit -121120 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 371381808 bytes 248477 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0

+ tc -s -d class show dev ens192
class htb 1:1 root leaf 80bf: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 8157604 bytes 123242 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 123242 borrowed: 0 giants: 0
 tokens: 3755 ctokens: 3755


+ tc -s -d qdisc show dev ens224
qdisc htb 1: root refcnt 2 r2q 10 default 0x1 direct_packets_stat 0 ver 3.17 direct_qlen 1000
 Sent 375183324 bytes 248478 pkt (dropped 0, overlimits 241830 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80c0: parent 1:1 limit 10000p target 15.0ms tupdate 16.0ms alpha 0.156250 beta 3.195312 l4s_ect coupling_factor 2 drop_on_overload step_thresh 1.0ms drop_dequeue classic_protection 10% 
 Sent 375183324 bytes 248478 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 0us delay_l 0us
pkts_in_c 712 pkts_in_l 241557 maxq 25
ecn_mark 97769 step_marks 97765
credit 700 (C)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 6432334 bytes 123243 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0

+ tc -s -d class show dev ens224
class htb 1:1 root leaf 80c0: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 375183324 bytes 248478 pkt (dropped 0, overlimits 241830 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 242269 borrowed: 0 giants: 0
 tokens: 3755 ctokens: 3755


+ tc -s -d qdisc show dev ifb4ens192
qdisc netem 1: root refcnt 2 limit 1000000
 Sent 375183704 bytes 248482 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 8158086 bytes 123248 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0