当我从另一台电脑 ping 我的电脑时，有时会得到非常高的 ping，有时还会超时，当我检查日志时，它每次这样做时都会发生这种情况。
cat /var/log/syslog | grep -ai 'network'
May 10 14:30:28 xyz-pc NetworkManager[905]: <info> [1652207428.2215] manager: NetworkManager state is now CONNECTED_SITE
May 10 14:30:28 xyz-pc dbus-daemon[902]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.11' (uid=0 pid=905 comm="/usr/sbin/NetworkManager --no-daemon " label="unconfined")
May 10 14:30:28 xyz-pc systemd[1]: Starting Network Manager Script Dispatcher Service...
May 10 14:30:28 xyz-pc systemd[1]: Started Network Manager Script Dispatcher Service.
May 10 14:30:29 xyz-pc NetworkManager[905]: <info> [1652207429.3111] manager: NetworkManager state is now CONNECTED_GLOBAL
May 10 14:30:29 xyz-pc whoopsie[4110]: [14:30:29] The default IPv4 route is: /org/freedesktop/NetworkManager/ActiveConnection/2
May 10 14:30:29 xyz-pc whoopsie[4110]: [14:30:29] Not a paid data plan: /org/freedesktop/NetworkManager/ActiveConnection/2
May 10 14:30:29 xyz-pc whoopsie[4110]: [14:30:29] Found usable connection: /org/freedesktop/NetworkManager/ActiveConnection/2
May 10 14:30:39 xyz-pc systemd[1]: NetworkManager-dispatcher.service: Succeeded.