c2
--

+ ip tcp_metrics show
192.168.119.83 age 6.722sec ssthresh 22 cwnd 26 rtt 11091us rttvar 6039us source 192.168.115.51
10.4.0.68 age 72.016sec ssthresh 17 cwnd 8 rtt 3868us rttvar 6094us source 10.4.0.51
10.4.0.51 age 72.183sec cwnd 10 rtt 3630us rttvar 5637us source 10.4.0.51
10.4.0.83 age 72.086sec cwnd 17 rtt 5239us rttvar 9173us source 10.4.0.51


s2
--

+ ip tcp_metrics show
10.4.0.51 age 72.213sec cwnd 3 rtt 1607us rttvar 2875us source 10.4.0.83
192.168.115.51 age 6.848sec cwnd 10 rtt 10850us rttvar 6303us 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 8193650 bytes 123423 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80db: 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 8193650 bytes 123423 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 0us delay_l 0us
pkts_in_c 122723 pkts_in_l 700 maxq 0
ecn_mark 0 step_marks 0
credit -121120 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 369437124 bytes 249020 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 80db: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 8193650 bytes 123423 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 123423 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 374999308 bytes 249022 pkt (dropped 0, overlimits 207502 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80dc: 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 374999308 bytes 249022 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 0us delay_l 0us
pkts_in_c 38407 pkts_in_l 170694 maxq 33
ecn_mark 17459 step_marks 6915
credit -25100 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 6465892 bytes 123425 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 80dc: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 374999308 bytes 249022 pkt (dropped 0, overlimits 207502 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 209101 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 374999646 bytes 249025 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 8194192 bytes 123430 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0