我唯一能看到的奇怪的东西是 link/none
mmcli -m 0
----------------------------------
General | path: /org/freedesktop/ModemManager1/Modem/0
| device id: xxx
----------------------------------
Hardware | manufacturer: QUALCOMM INCORPORATED
| model: QUECTEL Mobile Broadband Module
| firmware revision: EC25
| carrier config: default
| h/w revision: 10000
| supported: gsm-umts, lte
| current: gsm-umts, lte
| equipment id: xxx
----------------------------------
System | device: /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.5
| drivers: option, qmi_wwan
| plugin: quectel
| primary port: cdc-wdm3
| ports: cdc-wdm3 (qmi), ttyUSB0 (qcdm), ttyUSB1 (gps),
| ttyUSB2 (at), ttyUSB3 (at), wwx26abba8a821e (net)
----------------------------------
Status | lock: sim-pin2
| unlock retries: sim-pin (3), sim-puk (10), sim-pin2 (3), sim-puk2 (10)
| state: connected
| power state: on
| access tech: lte
| signal quality: 47% (cached)
----------------------------------
Modes | supported: allowed: 2g; preferred: none
| allowed: 3g; preferred: none
| allowed: 4g; preferred: none
| allowed: 2g, 3g; preferred: 3g
| allowed: 2g, 3g; preferred: 2g
| allowed: 2g, 4g; preferred: 4g
| allowed: 2g, 4g; preferred: 2g
| allowed: 3g, 4g; preferred: 4g
| allowed: 3g, 4g; preferred: 3g
| allowed: 2g, 3g, 4g; preferred: 4g
| allowed: 2g, 3g, 4g; preferred: 3g
| allowed: 2g, 3g, 4g; preferred: 2g
| current: allowed: 2g, 3g, 4g; preferred: 4g
----------------------------------
Bands | supported: egsm, dcs, utran-1, utran-8, eutran-1, eutran-3, eutran-7,
| eutran-8, eutran-20, eutran-28, eutran-38, eutran-40, eutran-41
| current: egsm, dcs, utran-1, utran-8, eutran-1, eutran-3, eutran-7,
| eutran-8, eutran-20, eutran-28, eutran-38, eutran-40, eutran-41
----------------------------------
IP | supported: ipv4, ipv6, ipv4v6
----------------------------------
3GPP | imei: xxx
| enabled locks: fixed-dialing
| operator id: 24002
| registration: home
----------------------------------
3GPP EPS | ue mode of operation: csps-2
| initial bearer path: /org/freedesktop/ModemManager1/Bearer/0
| initial bearer ip type: ipv4v6
----------------------------------
SIM | primary sim path: /org/freedesktop/ModemManager1/SIM/0
----------------------------------
Bearer | paths: /org/freedesktop/ModemManager1/Bearer/2
| /org/freedesktop/ModemManager1/Bearer/1
ip addr
3: wwx26abba8a821e: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000
link/none
inet 100.108.xxx/28 brd 100.108.xxx scope global noprefixroute wwx26abba8a821e
valid_lft forever preferred_lft forever
ip route
default via 100.108.xxx dev wwx26abba8a821e proto static metric 700
100.108.xxx/28 dev wwx26abba8a821e proto kernel scope link src 100.108.xxx metric 700
169.254.0.0/16 dev wwx26abba8a821e scope link metric 1000
journalctl -b 0 -u NetworkManager
jul 18 15:54:57 speakin-linux NetworkManager[562]: <info> [1658152497.6919] manager: NetworkManager state is now DISCONNECTED
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.3605] device (cdc-wdm3): Activation: starting connection 'GSM connection 1' (c10b150e-0913-4907-8db4-be59772961b9)
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.3608] audit: op="connection-activate" uuid="c10b150e-0913-4907-8db4-be59772961b9" name="GSM connection 1" pid=974 uid=1000 result="success"
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.3612] device (cdc-wdm3): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.3617] manager: NetworkManager state is now CONNECTING
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7000] device (cdc-wdm3): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7004] device (cdc-wdm3): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7007] modem-broadband[cdc-wdm3]: IPv4 static configuration:
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7008] modem-broadband[cdc-wdm3]: address 100.108.xxx/28 brd* 100.108.xxx lft forever pref forever lifetime 2058-0[0,0] src wwan
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7008] modem-broadband[cdc-wdm3]: gateway 100.108.xxx
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7008] modem-broadband[cdc-wdm3]: DNS 80.251.201.177
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7008] modem-broadband[cdc-wdm3]: DNS 80.251.201.178
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7008] modem-broadband[cdc-wdm3]: MTU 1500
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7015] device (cdc-wdm3): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'managed')
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7047] device (cdc-wdm3): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'managed')
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7050] device (cdc-wdm3): state change: secondaries -> activated (reason 'none', sys-iface-state: 'managed')
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7058] manager: NetworkManager state is now CONNECTED_LOCAL
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7062] manager: NetworkManager state is now CONNECTED_SITE
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7063] policy: set 'GSM connection 1' (wwx26abba8a821e) as default for IPv4 routing and DNS
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7071] device (cdc-wdm3): Activation: successful, device activated.
jul 18 15:55:05 speakin-linux NetworkManager[562]: <info> [1658152505.7076] manager: NetworkManager state is now CONNECTED_GLOBAL
rfkill returns empty.