c2
--

+ ip tcp_metrics show
192.168.119.83 age 6.197sec ssthresh 135 cwnd 135 rtt 88240us rttvar 50356us source 192.168.115.51
10.4.0.68 age 71.969sec cwnd 18 rtt 4359us rttvar 7007us source 10.4.0.51
10.4.0.51 age 72.137sec cwnd 10 rtt 3582us rttvar 5565us source 10.4.0.51
10.4.0.83 age 72.051sec cwnd 17 rtt 5321us rttvar 9287us source 10.4.0.51


s2
--

+ ip tcp_metrics show
10.4.0.51 age 72.146sec cwnd 3 reordering 5 rtt 1614us rttvar 2875us source 10.4.0.83
192.168.115.51 age 6.255sec cwnd 10 rtt 81326us rttvar 46130us 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 6959586 bytes 104711 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80dd: 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 6959586 bytes 104711 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 1us delay_l 0us
pkts_in_c 104011 pkts_in_l 700 maxq 0
ecn_mark 0 step_marks 0
credit -121120 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 353687564 bytes 241742 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 80dd: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 6959586 bytes 104711 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 104711 borrowed: 0 giants: 0
 tokens: 3895 ctokens: 3895


+ 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 363981470 bytes 241743 pkt (dropped 1, overlimits 107881 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80de: 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 363981470 bytes 241743 pkt (dropped 1, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 0us delay_l 1us
pkts_in_c 108167 pkts_in_l 700 maxq 58
ecn_mark 35 step_marks 0
credit -7560 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 5493796 bytes 104713 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 80de: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 363981470 bytes 241743 pkt (dropped 0, overlimits 107881 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 108866 borrowed: 0 giants: 0
 tokens: 3755 ctokens: 3755


+ tc -s -d qdisc show dev ifb4ens192
qdisc netem 1: root refcnt 2 limit 1000000 delay 40.0ms
 Sent 363981906 bytes 241747 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 40.0ms
 Sent 6960128 bytes 104718 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0