c2
--

+ ip tcp_metrics show
192.168.119.83 age 6.797sec ssthresh 15 cwnd 30 rtt 16360us rttvar 15413us source 192.168.115.51
10.4.0.68 age 72.026sec cwnd 17 rtt 3317us rttvar 5502us source 10.4.0.51
10.4.0.51 age 72.179sec cwnd 10 rtt 3665us rttvar 5632us source 10.4.0.51
10.4.0.83 age 72.040sec cwnd 17 rtt 1968us rttvar 3488us source 10.4.0.51


s2
--

+ ip tcp_metrics show
10.4.0.51 age 72.133sec cwnd 3 rtt 1642us rttvar 2804us source 10.4.0.83
192.168.115.51 age 6.893sec cwnd 10 rtt 11528us rttvar 8443us 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 6809952 bytes 102446 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80cd: 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 6809952 bytes 102446 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 0us delay_l 0us
pkts_in_c 101746 pkts_in_l 700 maxq 0
ecn_mark 0 step_marks 0
credit -121120 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 364824954 bytes 249532 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 80cd: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 6809952 bytes 102446 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 102446 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 375773974 bytes 249531 pkt (dropped 1, overlimits 105297 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80ce: 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 375773974 bytes 249531 pkt (dropped 1, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 0us delay_l 0us
pkts_in_c 105452 pkts_in_l 700 maxq 65
ecn_mark 366 step_marks 0
credit -213440 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 5375798 bytes 102446 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 80ce: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 375773974 bytes 249531 pkt (dropped 0, overlimits 105297 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 106151 borrowed: 0 giants: 0
 tokens: 3755 ctokens: 3755


+ tc -s -d qdisc show dev ifb4ens192
qdisc netem 1: root refcnt 2 limit 1000000
 Sent 375774512 bytes 249537 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 6810392 bytes 102451 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0