最近我安装了一台新的笔记本电脑 DELL Latitude 7400，当它通过 Wifi 网络 WPA2（企业连接）连接时，我经常遇到服务（互联网）中断的情况。
服务发生故障时，捕获的日志如下：
Dec 17 11:55:01 MaPC CRON[76403]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
Dec 17 11:59:30 MaPC wpa_supplicant[1114]: wlo1: WPA: Group rekeying completed with e0:0e:da:8e:22:a2 [GTK=CCMP]
Dec 17 12:01:15 MaPC NetworkManager[1078]: <info> [1608195675.8267] manager: NetworkManager state is now CONNECTED_SITE
Dec 17 12:01:15 MaPC whoopsie[1936]: [12:01:15] offline
Dec 17 12:01:15 MaPC dbus-daemon[1076]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.10' (uid=0 pid=1078 co
Dec 17 12:01:15 MaPC systemd[1]: Starting Network Manager Script Dispatcher Service...
Dec 17 12:01:15 MaPC dbus-daemon[1076]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
Dec 17 12:01:15 MaPC systemd[1]: Started Network Manager Script Dispatcher Service.
Dec 17 12:01:16 MaPC systemd-resolved[1001]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Dec 17 12:01:16 MaPC systemd-resolved[1001]: message repeated 3 times: [ Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Dec 17 12:01:16 MaPC goa-daemon[2043]: goa_ews_client_autodiscover() failed: 2 — Error resolving “autodiscover.internetmail.test.net”: Name or service not known
Dec 17 12:01:17 MaPC NetworkManager[1078]: <info> [1608195677.3276] manager: NetworkManager state is now CONNECTED_GLOBAL
Dec 17 12:01:17 MaPC whoopsie[1936]: [12:01:17] The default IPv4 route is: /org/freedesktop/NetworkManager/ActiveConnection/3
Dec 17 12:01:17 MaPC whoopsie[1936]: [12:01:17] Not a paid data plan: /org/freedesktop/NetworkManager/ActiveConnection/3
Dec 17 12:01:17 MaPC whoopsie[1936]: [12:01:17] Found usable connection: /org/freedesktop/NetworkManager/ActiveConnection/3
Dec 17 12:01:18 MaPC systemd-resolved[1001]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Dec 17 12:01:18 MaPC gnome-shell[2230]: Can not connect to https://weathermap.org/city/108410?APPID=b941621f899bb8#012Host unreachable
Dec 17 12:01:18 MaPC whoopsie[1936]: [12:01:18] online
Dec 17 12:01:18 MaPC systemd-resolved[1001]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Dec 17 12:01:18 MaPC systemd-resolved[1001]: message repeated 3 times: [ Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Dec 17 12:01:18 MaPC goa-daemon[2043]: goa_ews_client_autodiscover() failed: 2 — Error resolving “autodiscover.internetmail.test.net”: Name or service not known
Dec 17 12:01:19 MaPC systemd-resolved[1001]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Dec 17 12:01:20 MaPC systemd-resolved[1001]: message repeated 3 times: [ Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Dec 17 12:01:20 MaPC goa-daemon[2043]: goa_ews_client_autodiscover() failed: 2 — Error resolving “autodiscover.internetmail.test.net”: Name or service not known
Dec 17 12:01:20 MaPC systemd-resolved[1001]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Dec 17 12:01:27 MaPC systemd[1]: NetworkManager-dispatcher.service: Succeeded.
Dec 17 12:05:01 MaPC CRON[87061]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
Dec 17 12:14:53 MaPC /usr/libexec/gdm-x-session[2076]: (EE) event9 - Microsoft Wired Keyboard 400: client bug: event processing lagging behind by 33ms, your system is too slow
Dec 17 12:15:01 MaPC CRON[97792]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
Dec 17 12:17:01 MaPC CRON[99925]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Dec 17 12:19:38 MaPC wpa_supplicant[1114]: wlo1: CTRL-EVENT-EAP-STARTED EAP authentication started
Dec 17 12:19:38 MaPC wpa_supplicant[1114]: wlo1: CTRL-EVENT-EAP-PROPOSED-METHOD vendor=0 method=25
Dec 17 12:19:38 MaPC wpa_supplicant[1114]: wlo1: CTRL-EVENT-EAP-METHOD EAP vendor 0 method 25 (PEAP) selected
Dec 17 12:19:38 MaPC wpa_supplicant[1114]: EAP-TLV: TLV Result - Success - EAP-TLV/Phase2 Completed
Dec 17 12:19:38 MaPC wpa_supplicant[1114]: wlo1: CTRL-EVENT-EAP-SUCCESS EAP authentication completed successfully
Dec 17 12:19:38 MaPC wpa_supplicant[1114]: wlo1: PMKSA-CACHE-REMOVED 54:b2:61:a5:1d:aa 0
Dec 17 12:19:38 MaPC wpa_supplicant[1114]: wlo1: PMKSA-CACHE-REMOVED 2c:5a:0f:53:7b:ca 0
Dec 17 12:19:38 MaPC wpa_supplicant[1114]: wlo1: PMKSA-CACHE-REMOVED 60:0e:da:8d:13:a2 0
Dec 17 12:19:38 MaPC wpa_supplicant[1114]: wlo1: PMKSA-CACHE-ADDED 60:0e:db:8f:22:a2 0
Dec 17 12:19:38 MaPC wpa_supplicant[1114]: wlo1: WPA: Key negotiation completed with f0:0e:ba:8f:22:a2 [PTK=CCMP GTK=CCMP]
Dec 17 12:19:38 MaPC kernel: [ 3621.001152] Rekeying PTK for STA e0:0e:da:8e:22:a2 but driver can't safely do that.
Dec 17 12:20:10 MaPC systemd-resolved[1001]: Using degraded feature set UDP instead of UDP+EDNS0 for DNS server 10.60.20.104.
Dec 17 12:20:20 MaPC systemd-resolved[1001]: Using degraded feature set TCP instead of UDP for DNS server 10.60.20.104.
Dec 17 12:20:40 MaPC systemd-resolved[1001]: Using degraded feature set UDP instead of TCP for DNS server 10.60.20.104.
Dec 17 12:20:45 MaPC systemd-resolved[1001]: Using degraded feature set TCP instead of UDP for DNS server 10.60.20.104.
Dec 17 12:21:10 MaPC systemd-resolved[1001]: Using degraded feature set UDP instead of TCP for DNS server 10.60.20.104.
Dec 17 12:21:16 MaPC systemd-resolved[1001]: Using degraded feature set TCP instead of UDP for DNS server 10.60.20.104.
直到 NetworkManager 服务重新启动，互联网服务仍然处于关闭状态。
是否有任何相关问题被报告或者已经在知识库中或者有任何关于它的任何线索？
谢谢