Flint Tethering with Huawei 3372 almost works. Connects or appears to sometimes but won’t route packets. Log here:
Mon Nov 28 20:41:44 2022 daemon.notice netifd: tethering (3953): udhcpc: received SIGTERM Mon Nov 28 20:41:44 2022 daemon.notice netifd: tethering (3953): udhcpc: unicasting a release of 192.168.8.144 to 192.168.8.1 Mon Nov 28 20:41:44 2022 daemon.notice netifd: tethering (3953): udhcpc: sending release Mon Nov 28 20:41:44 2022 daemon.notice netifd: tethering (3953): udhcpc: entering released state Mon Nov 28 20:41:44 2022 daemon.notice netifd: tethering (3953): Command failed: Permission denied Mon Nov 28 20:41:44 2022 daemon.notice netifd: Interface ‘tethering’ is now down Mon Nov 28 20:41:44 2022 daemon.info avahi-daemon[3911]: Withdrawing address record for 192.168.8.144 on eth5. Mon Nov 28 20:41:44 2022 daemon.info avahi-daemon[3911]: Leaving mDNS multicast group on interface eth5.IPv4 with address 192.168.8.144. Mon Nov 28 20:41:44 2022 daemon.notice netifd: Interface ‘tethering’ is disabled Mon Nov 28 20:41:44 2022 daemon.info avahi-daemon[3911]: Interface eth5.IPv4 no longer relevant for mDNS. Mon Nov 28 20:41:44 2022 daemon.notice netifd: Interface ‘tethering’ has link connectivity loss Mon Nov 28 20:41:44 2022 daemon.info avahi-daemon[3911]: Interface eth5.IPv6 no longer relevant for mDNS. Mon Nov 28 20:41:44 2022 daemon.info avahi-daemon[3911]: Leaving mDNS multicast group on interface eth5.IPv6 with address fe80::21e:10ff:fe1f:0. Mon Nov 28 20:41:44 2022 daemon.info avahi-daemon[3911]: Withdrawing address record for fe80::21e:10ff:fe1f:0 on eth5. Mon Nov 28 20:41:44 2022 daemon.info dnsmasq[7102]: reading /tmp/resolv.conf.d/resolv.conf.auto Mon Nov 28 20:41:44 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain test Mon Nov 28 20:41:44 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain onion Mon Nov 28 20:41:44 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain localhost Mon Nov 28 20:41:44 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain local Mon Nov 28 20:41:44 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain invalid Mon Nov 28 20:41:44 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain bind Mon Nov 28 20:41:44 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain lan Mon Nov 28 20:41:44 2022 daemon.info dnsmasq[7102]: using nameserver 198.142.152.164#53 Mon Nov 28 20:41:44 2022 daemon.info dnsmasq[7102]: using nameserver 198.142.152.165#53 Mon Nov 28 20:41:44 2022 user.notice mwan3[21259]: Execute ifdown event on interface tethering (unknown) Mon Nov 28 20:41:45 2022 user.info mwan3track[8198]: Detect ifdown event on interface tethering (eth5) Mon Nov 28 20:41:45 2022 user.notice mwan3track[8198]: Stopping mwan3track for interface “tethering” Mon Nov 28 20:41:51 2022 kern.err kernel: [63692.978993] cdc_ether 1-1:1.0 eth5: kevent 12 may have been dropped Mon Nov 28 20:41:51 2022 kern.err kernel: [63692.979073] cdc_ether 1-1:1.0 eth5: kevent 12 may have been dropped Mon Nov 28 20:41:51 2022 kern.err kernel: [63692.984110] cdc_ether 1-1:1.0 eth5: kevent 12 may have been dropped Mon Nov 28 20:41:51 2022 daemon.notice netifd: Interface ‘tethering’ is enabled Mon Nov 28 20:41:51 2022 daemon.notice netifd: Network device ‘eth5’ link is up Mon Nov 28 20:41:51 2022 daemon.notice netifd: Interface ‘tethering’ has link connectivity Mon Nov 28 20:41:51 2022 daemon.notice netifd: Interface ‘tethering’ is setting up now Mon Nov 28 20:41:51 2022 daemon.notice netifd: tethering (22175): udhcpc: started, v1.33.2 Mon Nov 28 20:41:51 2022 daemon.notice netifd: tethering (22175): udhcpc: sending discover Mon Nov 28 20:41:51 2022 daemon.notice netifd: tethering (22175): udhcpc: sending select for 192.168.8.145 Mon Nov 28 20:41:51 2022 daemon.notice netifd: tethering (22175): udhcpc: lease of 192.168.8.145 obtained, lease time 86400 Mon Nov 28 20:41:51 2022 daemon.info avahi-daemon[3911]: Joining mDNS multicast group on interface eth5.IPv4 with address 192.168.8.145. Mon Nov 28 20:41:51 2022 daemon.info avahi-daemon[3911]: New relevant interface eth5.IPv4 for mDNS. Mon Nov 28 20:41:51 2022 daemon.info avahi-daemon[3911]: Registering new address record for 192.168.8.145 on eth5.IPv4. Mon Nov 28 20:41:51 2022 daemon.notice netifd: Interface ‘tethering’ is now up Mon Nov 28 20:41:51 2022 daemon.info dnsmasq[7102]: reading /tmp/resolv.conf.d/resolv.conf.auto Mon Nov 28 20:41:51 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain test Mon Nov 28 20:41:51 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain onion Mon Nov 28 20:41:51 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain localhost Mon Nov 28 20:41:51 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain local Mon Nov 28 20:41:51 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain invalid Mon Nov 28 20:41:51 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain bind Mon Nov 28 20:41:51 2022 daemon.info dnsmasq[7102]: using only locally-known addresses for domain lan Mon Nov 28 20:41:51 2022 daemon.info dnsmasq[7102]: using nameserver 198.142.152.164#53 Mon Nov 28 20:41:51 2022 daemon.info dnsmasq[7102]: using nameserver 198.142.152.165#53 Mon Nov 28 20:41:51 2022 daemon.info dnsmasq[7102]: using nameserver 192.168.8.1#53 Mon Nov 28 20:41:52 2022 user.notice mwan3[22226]: Execute ifup event on interface tethering (eth5) Mon Nov 28 20:41:52 2022 daemon.info avahi-daemon[3911]: Joining mDNS multicast group on interface eth5.IPv6 with address fe80::21e:10ff:fe1f:0. Mon Nov 28 20:41:52 2022 daemon.info avahi-daemon[3911]: New relevant interface eth5.IPv6 for mDNS. Mon Nov 28 20:41:52 2022 daemon.info avahi-daemon[3911]: Registering new address record for fe80::21e:10ff:fe1f:0 on eth5.*. Mon Nov 28 20:41:52 2022 user.notice mwan3[22226]: Starting tracker on interface tethering (eth5) Mon Nov 28 20:41:54 2022 user.info mwan3rtmon[3799]: Detect rtchange event. Mon Nov 28 20:41:55 2022 user.notice firewall: Reloading firewall due to ifup of tethering (eth5) Mon Nov 28 20:42:01 2022 daemon.warn dnsmasq[7102]: nameserver 198.142.152.165 refused to do a recursive query Mon Nov 28 20:42:11 2022 daemon.warn dnsmasq[7102]: nameserver 192.168.8.1 refused to do a recursive query