c2
--

+ ip tcp_metrics show
192.168.119.83 age 6.781sec ssthresh 7 cwnd 10 rtt 12103us rttvar 13713us source 192.168.115.51
10.4.0.68 age 72.021sec cwnd 17 rtt 2706us rttvar 3959us source 10.4.0.51
10.4.0.51 age 72.189sec cwnd 10 rtt 3011us rttvar 4830us source 10.4.0.51
10.4.0.83 age 72.085sec cwnd 17 rtt 5012us rttvar 7481us source 10.4.0.51


s2
--

+ ip tcp_metrics show
10.4.0.51 age 72.155sec cwnd 10 rtt 1613us rttvar 2862us source 10.4.0.83
192.168.115.51 age 6.847sec cwnd 10 rtt 16989us rttvar 22834us 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 7474984 bytes 112540 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80d1: 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 7474984 bytes 112540 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 0us delay_l 0us
pkts_in_c 111840 pkts_in_l 700 maxq 0
ecn_mark 0 step_marks 0
credit -121120 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 369748310 bytes 249539 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 80d1: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 7474984 bytes 112540 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 112540 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 375783004 bytes 249522 pkt (dropped 17, overlimits 199820 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 80d2: 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 375783004 bytes 249522 pkt (dropped 17, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
prob 0.000000 delay_c 0us delay_l 0us
pkts_in_c 24908 pkts_in_l 175729 maxq 42
ecn_mark 87742 step_marks 22195
credit -112100 (L)

qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 5899514 bytes 112540 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 80d2: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 375783004 bytes 249522 pkt (dropped 0, overlimits 199820 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 200620 borrowed: 0 giants: 0
 tokens: 3755 ctokens: 3755


+ tc -s -d qdisc show dev ifb4ens192
qdisc netem 1: root refcnt 2 limit 1000000
 Sent 375785110 bytes 249544 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 7475424 bytes 112545 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0