 -----------------------------
  General  |         dbus path: /org/freedesktop/ModemManager1/Modem/2
           |         device id: b203b2d62184eda1b238009fdca1ae52bdea77d5
  -----------------------------
  Hardware |      manufacturer: Vodafone (Huawei)
           |             model: K5150
           | firmware revision: V8.1
           |      h/w revision: CH1K5150M
           |         supported: gsm-umts, lte
           |           current: gsm-umts, lte
           |      equipment id: 860112020053833
  -----------------------------
  System   |            device: /sys/devices/pci0000:00/0000:00:14.0/usb1/1-2
           |           drivers: cdc_mbim
           |            plugin: Huawei
           |      primary port: cdc-wdm0
           |             ports: cdc-wdm0 (mbim), wwan0 (net)
  -----------------------------
  Numbers  |               own: +4917667122822
  -----------------------------
  Status   |    unlock retries: unknown (3)
           |             state: connected
           |       power state: on
           |       access tech: lte
           |    signal quality: 64% (recent)
  -----------------------------
  Modes    |         supported: allowed: 2g, 3g, 4g; preferred: none
           |           current: allowed: 2g, 3g, 4g; preferred: none
  -----------------------------
  IP       |         supported: ipv4, ipv6, ipv4v6
  -----------------------------
  3GPP     |              imei: 860112020053833
           |       operator id: 26203
           |     operator name: o2-de
           |      registration: roaming
  -----------------------------
  SIM      |         dbus path: /org/freedesktop/ModemManager1/SIM/2
  -----------------------------
  Bearer   |         dbus path: /org/freedesktop/ModemManager1/Bearer/2


mmcli -b 2
  --------------------------------
  General            |  dbus path: /org/freedesktop/ModemManager1/Bearer/2
                     |       type: default
  --------------------------------
  Status             |  connected: yes
                     |  suspended: no
                     |  interface: wwan0
                     | ip timeout: 20
  --------------------------------
  Properties         |        apn: internet
                     |    roaming: allowed
                     |    ip type: ipv4v6
  --------------------------------
  IPv4 configuration |     method: static
                     |    address: 10.122.200.66
                     |     prefix: 30
                     |    gateway: 10.122.200.65
                     |        dns: 62.109.121.17, 62.109.121.18
                     |        mtu: 1500
  --------------------------------
  IPv6 configuration |     method: dhcp
                     |     prefix: 0
  --------------------------------
  Statistics         |   duration: 89
                     |   bytes rx: 58009
                     |   bytes tx: 68044

nmcli device show cdc-wdm0 
GENERAL.DEVICE:                         cdc-wdm0
GENERAL.TYPE:                           gsm
GENERAL.HWADDR:                         (unbekannt)
GENERAL.MTU:                            1500
GENERAL.STATE:                          100 (verbunden)
GENERAL.CONNECTION:                     O2
GENERAL.CON-PATH:                       /org/freedesktop/NetworkManager/ActiveConnection/10
IP4.ADDRESS[1]:                         10.122.200.66/30
IP4.GATEWAY:                            10.122.200.65
IP4.ROUTE[1]:                           dst = 10.122.200.64/30, nh = 0.0.0.0, mt = 700
IP4.ROUTE[2]:                           dst = 0.0.0.0/0, nh = 10.122.200.65, mt = 700
IP4.DNS[1]:                             62.109.121.17
IP4.DNS[2]:                             62.109.121.18
IP6.ADDRESS[1]:                         2a02:3033:400:8d7a:f9c2:f044:2b2f:a665/64
IP6.ADDRESS[2]:                         2a02:3033:400:8d7a:30cd:8ee6:1a5:615f/64
IP6.ADDRESS[3]:                         fe80::4cf9:bfec:b166:637b/64
IP6.GATEWAY:                            fe80::4e54:99ff:fe45:e5d5
IP6.ROUTE[1]:                           dst = ::/0, nh = fe80::4e54:99ff:fe45:e5d5, mt = 700
IP6.ROUTE[2]:                           dst = ff00::/8, nh = ::, mt = 256, table=255
IP6.ROUTE[3]:                           dst = fe80::/64, nh = ::, mt = 700

linux-y7a7:~ # ping -c3 2600::
PING 2600::(2600::) 56 data bytes
64 bytes from 2600::: icmp_seq=1 ttl=44 time=274 ms
64 bytes from 2600::: icmp_seq=2 ttl=44 time=239 ms
64 bytes from 2600::: icmp_seq=3 ttl=44 time=238 ms

--- 2600:: ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 238.950/250.928/274.693/16.814 ms
linux-y7a7:~ # ping -c3 ct.de
PING ct.de(redirector.heise.de (2a02:2e0:3fe:1001:302::)) 56 data bytes
64 bytes from redirector.heise.de (2a02:2e0:3fe:1001:302::): icmp_seq=1 ttl=50 time=37.5 ms
64 bytes from redirector.heise.de (2a02:2e0:3fe:1001:302::): icmp_seq=2 ttl=50 time=30.6 ms
64 bytes from redirector.heise.de (2a02:2e0:3fe:1001:302::): icmp_seq=3 ttl=50 time=33.8 ms

--- ct.de ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 30.692/34.032/37.584/2.817 ms
