c2
--

+ ip tcp_metrics show
192.168.119.83 age 6.638sec ssthresh 44 cwnd 23 rtt 11402us rttvar 9231us source 192.168.115.51
10.4.0.68 age 71.780sec cwnd 17 rtt 3541us rttvar 6758us source 10.4.0.51
10.4.0.51 age 71.931sec cwnd 10 rtt 3030us rttvar 4833us source 10.4.0.51
10.4.0.83 age 71.836sec ssthresh 16 cwnd 8 rtt 3651us rttvar 6880us source 10.4.0.51


s2
--

+ ip tcp_metrics show
10.4.0.51 age 71.962sec cwnd 3 rtt 1615us rttvar 2886us source 10.4.0.83
192.168.115.51 age 6.762sec cwnd 10 rtt 11038us rttvar 8891us 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 8081284 bytes 122086 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80c5: 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 8081284 bytes 122086 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 1us delay_l 0us
pkts_in_c 122086 pkts_in_l 0 maxq 0
ecn_mark 0 step_marks 0
credit -121120 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 368486862 bytes 246508 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 80c5: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 8081284 bytes 122086 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 122086 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 372200744 bytes 246508 pkt (dropped 0, overlimits 238001 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80c6: 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 372200744 bytes 246508 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 1us delay_l 0us
pkts_in_c 712 pkts_in_l 240741 maxq 7
ecn_mark 39664 step_marks 39663
credit 3600 (C)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 6372170 bytes 122086 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 80c6: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 372200744 bytes 246508 pkt (dropped 0, overlimits 238001 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 241453 borrowed: 0 giants: 0
 tokens: 3755 ctokens: 3755


+ tc -s -d qdisc show dev ifb4ens192
qdisc netem 1: root refcnt 2 limit 1000000 delay 5.0ms
 Sent 372201184 bytes 246513 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 8081724 bytes 122091 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0