~ # sha256sum /tmp/b7/bb; chmod 755 /tmp/b7/bb; /tmp/b7/bb ntpd --help 2>&1 | he
ad -12
a6bb1e6e349cbdfa690a78cd0017413c5446bdae02ee003ceb682d4ae1a004ff  /tmp/b7/bb
bb: applet not found
~ # for n in 1 2 3; do echo "--- ntp$n"; nslookup ntp$n.vniiftri.ru 10.10.22.3; 
done
--- ntp1
Server:         10.10.22.3
Address:        10.10.22.3:53

Non-authoritative answer:
Name:   ntp1.vniiftri.ru
Address: 89.109.251.21

Non-authoritative answer:

--- ntp2
Server:         10.10.22.3
Address:        10.10.22.3:53

Non-authoritative answer:
Name:   ntp2.vniiftri.ru
Address: 89.109.251.22

Non-authoritative answer:

--- ntp3
Server:         10.10.22.3
Address:        10.10.22.3:53

Non-authoritative answer:
Name:   ntp3.vniiftri.ru
Address: 89.109.251.23

Non-authoritative answer:

~ # date +%s.%N; /tmp/b7/bb adjtimex | grep time.tv; ip route; echo B7A1-END
2219.%N
bb: applet not found
1.1.1.1 dev wwan0 scope link  src 10.41.212.24 
10.10.22.3 dev wwan0 scope link  src 10.41.212.24 
10.41.212.16/28 dev wwan0 scope link  src 10.41.212.24 
77.88.8.8 dev wwan0 scope link  src 10.41.212.24 
172.16.42.0/24 dev usb0 scope link  src 172.16.42.1 
194.186.191.1 dev wwan0 scope link  src 10.41.212.24 
B7A1-END
~ #