c2
--

+ ip tcp_metrics show
192.168.119.83 age 6.061sec cwnd 62 reordering 300 rtt 23839us rttvar 22710us source 192.168.115.51
10.4.0.68 age 71.716sec cwnd 16 rtt 3832us rttvar 5853us source 10.4.0.51
10.4.0.51 age 71.877sec cwnd 10 rtt 2989us rttvar 4768us source 10.4.0.51
10.4.0.83 age 71.778sec cwnd 17 rtt 5291us rttvar 9255us source 10.4.0.51


s2
--

+ ip tcp_metrics show
10.4.0.51 age 71.874sec cwnd 3 rtt 1619us rttvar 2874us source 10.4.0.83
192.168.115.51 age 6.155sec cwnd 10 rtt 11076us rttvar 8727us 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 3939098 bytes 59225 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80c3: 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 3939098 bytes 59225 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 1us delay_l 0us
pkts_in_c 59225 pkts_in_l 0 maxq 0
ecn_mark 0 step_marks 0
credit -121120 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 364986768 bytes 250555 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 80c3: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 3939098 bytes 59225 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 59225 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 377697602 bytes 250105 pkt (dropped 94, overlimits 60770 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80c4: 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 377697602 bytes 250105 pkt (dropped 94, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 0us delay_l 0us
pkts_in_c 61450 pkts_in_l 1 maxq 80
ecn_mark 3948 step_marks 0
credit -121120 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 3110066 bytes 59226 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 80c4: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 377697602 bytes 250105 pkt (dropped 0, overlimits 60770 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 61357 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 378328348 bytes 250560 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 3939580 bytes 59231 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0