Да) Вы полностью правы.
Но взыграло условие "вызова", любопытно стало попробовать его настроить и скажем пройти через этот опыт.
Но малого то что он(они. имею ввиду Ralink MT7601U) по умолчанию настраивается своими руками, так адрес не получает по dhcp....
Вот лог:
Nov 16 18:23:49 zx named[4935]: running
Nov 16 18:23:50 zx systemd[1]: squid.service: Unit cannot be reloaded because it is inactive.
Nov 16 18:23:55 zx dhclient[3874]: bound to 192.168.15.182 -- renewal in 11707 seconds.
Nov 16 18:25:01 zx dhclient[4209]: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3 (xid=0x64bbea53)
Nov 16 18:25:04 zx dhclient[4209]: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6 (xid=0x64bbea53)
Nov 16 18:25:10 zx dhclient[4209]: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 14 (xid=0x64bbea53)
Nov 16 18:25:24 zx dhclient[4209]: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8 (xid=0x64bbea53)
Nov 16 18:25:32 zx dhclient[4209]: No DHCPOFFERS received.
Nov 16 18:25:32 zx dhclient[4209]: No working leases in persistent database - sleeping.
Nov 16 18:26:37 zx samba[2430]: [2018/11/16 18:26:37.254310, 0] ../lib/util/util_runcmd.c:316(samba_runcmd_io_handler)
Nov 16 18:26:37 zx samba[2430]: /usr/sbin/samba_dnsupdate: interpret_string_addr_internal: getaddrinfo failed for name wlan0 (flags 32) [Name or service not known]
Nov 16 18:26:37 zx samba[2430]: [2018/11/16 18:26:37.254442, 0] ../lib/util/util_runcmd.c:316(samba_runcmd_io_handler)
Nov 16 18:26:37 zx samba[2430]: /usr/sbin/samba_dnsupdate: interpret_interface: Can't find address for wlan0
Nov 16 18:26:52 zx samba[2428]: [2018/11/16 18:26:52.785997, 0] ../lib/util/util_runcmd.c:316(samba_runcmd_io_handler)
Nov 16 18:26:52 zx samba[2428]: /usr/sbin/samba_kcc: ldb_wrap open of secrets.ldb
Nov 16 18:30:49 zx systemd[1]: Time has been changed
Nov 16 18:30:49 zx systemd[2715]: Time has been changed
Nov 16 18:30:49 zx systemd[1]: Starting Cleanup of Temporary Directories...
Nov 16 18:30:49 zx systemd-tmpfiles[5733]: [/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "/var/log", ignoring.
Nov 16 18:30:49 zx systemd[1]: Started Cleanup of Temporary Directories.5]: automatic empty zone: 97.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 98.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 99.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 100.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 101.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 102.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 103.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 104.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 105.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 106.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 107.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 108.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 109.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 110.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 111.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 112.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 113.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 114.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 115.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 116.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 117.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 118.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 119.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 120.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 121.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 122.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 123.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 124.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 125.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 126.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 127.100.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 254.169.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 2.0.192.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 100.51.198.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 113.0.203.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 255.255.255.255.IN-ADDR.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.IP6.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.IP6.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: D.F.IP6.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 8.E.F.IP6.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 9.E.F.IP6.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: A.E.F.IP6.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: B.E.F.IP6.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: 8.B.D.0.1.0.0.2.IP6.ARPA
Nov 16 18:23:49 zx named[4935]: automatic empty zone: EMPTY.AS112.ARPA
Nov 16 18:23:49 zx named[4935]: configuring command channel from '/etc/bind/rndc.key'
Nov 16 18:23:49 zx named[4935]: command channel listening on 127.0.0.1#953
Nov 16 18:23:49 zx named[4935]: managed-keys-zone: loaded serial 0
Nov 16 18:23:49 zx named[4935]: zone 0.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 10.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 127.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 26.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 16.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 20.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 17.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 168.192.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 22.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 25.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 18.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 24.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 28.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 31.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 19.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 27.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 30.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 255.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 29.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone localhost/IN: loaded serial 2
Nov 16 18:23:49 zx named[4935]: zone 23.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: zone 21.172.in-addr.arpa/IN: loaded serial 1
Nov 16 18:23:49 zx named[4935]: all zones loaded
Nov 16 18:23:49 zx named[4935]: running
Nov 16 18:23:50 zx systemd[1]: squid.service: Unit cannot be reloaded because it is inactive.
Nov 16 18:23:55 zx dhclient[3874]: bound to 192.168.15.182 -- renewal in 11707 seconds.
Nov 16 18:25:01 zx dhclient[4209]: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3 (xid=0x64bbea53)
Nov 16 18:25:04 zx dhclient[4209]: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6 (xid=0x64bbea53)
Nov 16 18:25:10 zx dhclient[4209]: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 14 (xid=0x64bbea53)
Nov 16 18:25:24 zx dhclient[4209]: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8 (xid=0x64bbea53)
Nov 16 18:25:32 zx dhclient[4209]: No DHCPOFFERS received.
Nov 16 18:25:32 zx dhclient[4209]: No working leases in persistent database - sleeping.
Nov 16 18:26:37 zx samba[2430]: [2018/11/16 18:26:37.254310, 0] ../lib/util/util_runcmd.c:316(samba_runcmd_io_handler)
Nov 16 18:26:37 zx samba[2430]: /usr/sbin/samba_dnsupdate: interpret_string_addr_internal: getaddrinfo failed for name wlan0 (flags 32) [Name or service not known]
Nov 16 18:26:37 zx samba[2430]: [2018/11/16 18:26:37.254442, 0] ../lib/util/util_runcmd.c:316(samba_runcmd_io_handler)
Nov 16 18:26:37 zx samba[2430]: /usr/sbin/samba_dnsupdate: interpret_interface: Can't find address for wlan0
Nov 16 18:26:52 zx samba[2428]: [2018/11/16 18:26:52.785997, 0] ../lib/util/util_runcmd.c:316(samba_runcmd_io_handler)
Nov 16 18:26:52 zx samba[2428]: /usr/sbin/samba_kcc: ldb_wrap open of secrets.ldb
Nov 16 18:30:49 zx systemd[1]: Time has been changed
Nov 16 18:30:49 zx systemd[2715]: Time has been changed
Nov 16 18:30:49 zx systemd[1]: Starting Cleanup of Temporary Directories...
Nov 16 18:30:49 zx systemd-tmpfiles[5733]: [/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "/var/log", ignoring.
Nov 16 18:30:49 zx systemd[1]: Started Cleanup of Temporary Directories.