c2
--

+ ip tcp_metrics show
192.168.119.83 age 6.177sec cwnd 37 reordering 21 rtt 14452us rttvar 15986us source 192.168.115.51
10.4.0.68 age 71.714sec cwnd 17 rtt 3000us rttvar 4636us source 10.4.0.51
10.4.0.51 age 71.850sec cwnd 10 rtt 3025us rttvar 4797us source 10.4.0.51
10.4.0.83 age 71.754sec cwnd 17 rtt 4986us rttvar 7440us source 10.4.0.51


s2
--

+ ip tcp_metrics show
10.4.0.51 age 71.854sec cwnd 10 rtt 1618us rttvar 2870us source 10.4.0.83
192.168.115.51 age 6.276sec cwnd 10 rtt 1762us rttvar 1656us 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 3883384 bytes 58392 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80bd: 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 3883384 bytes 58392 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 0us delay_l 0us
pkts_in_c 58392 pkts_in_l 0 maxq 0
ecn_mark 0 step_marks 0
credit -121120 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 364607976 bytes 250338 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 80bd: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 3883384 bytes 58392 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 58392 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 377769544 bytes 250132 pkt (dropped 86, overlimits 59568 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80be: 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 377769544 bytes 250132 pkt (dropped 86, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 1us delay_l 0us
pkts_in_c 60236 pkts_in_l 1 maxq 86
ecn_mark 5712 step_marks 0
credit -121120 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 3066014 bytes 58393 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 80be: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 377769544 bytes 250132 pkt (dropped 0, overlimits 59568 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 60151 borrowed: 0 giants: 0
 tokens: 3755 ctokens: 3755


+ tc -s -d qdisc show dev ifb4ens192
qdisc netem 1: root refcnt 2 limit 1000000
 Sent 377998362 bytes 250343 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 3883866 bytes 58398 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0