Latency

curl -o /dev/null -s -w"
    time_namelookup: %{time_namelookup}s\n\
    time_connect: %{time_connect}s\n\
    time_appconnect: %{time_appconnect}s\n\
    time_pretransfer: %{time_pretransfer}s\n\
    time_starttransfer: %{time_starttransfer}s\n\
    time_total: %{time_total}s\n" https://www.fnnas.com

    time_namelookup: 0.030327s
    time_connect: 0.062180s
    time_appconnect: 0.135421s
    time_pretransfer: 0.135541s
    time_starttransfer: 0.193158s
    time_total: 0.414906s

ip a show dev eth1

3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 0a:58:74:a9:33:0a brd ff:ff:ff:ff:ff:ff
    altname enp2s0
    inet 110.x.x.x/24 brd 110.185.110.255 scope global eth1
       valid_lft forever preferred_lft forever
    inet 112.x.x.x/24 brd 112.19.8.255 scope global eth1
       valid_lft forever preferred_lft forever
    inet 116.x.x.x/24 brd 116.169.51.255 scope global eth1
       valid_lft forever preferred_lft forever
    inet6 fe80::858:74ff:fea9:330a/64 scope link
       valid_lft forever preferred_lft forever

curl -o /dev/null -s -w "%{time_total}\n" --interface 116.x.x.x https://www.fnnas.com

curl -o /dev/null -s --interface 116.x.x.x -w"
    time_namelookup: %{time_namelookup}s\n\
    time_connect: %{time_connect}s\n\
    time_appconnect: %{time_appconnect}s\n\
    time_pretransfer: %{time_pretransfer}s\n\
    time_starttransfer: %{time_starttransfer}s\n\
    time_total: %{time_total}s\n" https://www.fnnas.com

tcpdump -i eth1 host fnnas.com and port 443 -n