简而言之，我apt upgrade在工作时在 ubuntu 工作站上做了一个操作，现在浏览器中的网络无法正常工作。
我可以 ping 任何 IP（8.8.8.8、google.com、本地工作站），但无法从浏览器访问任何网站。
我不能 100% 确定这是因为这个原因，或者我做了其他事，但升级很可能是原因。
系统日志的内容如下：
Mar 11 15:35:27 ws28 org.gnome.Shell.desktop[18176]: libinput error: client bug: timer event4 debounce: offset negative (-1056ms)
Mar 11 15:35:27 ws28 org.gnome.Shell.desktop[18176]: libinput error: client bug: timer event4 debounce short: offset negative (-1069ms)
Mar 11 15:35:27 ws28 org.gnome.Shell.desktop[18176]: --2021-03-11 15:35:27-- https://clients2.google.com/cr/report
Mar 11 15:35:27 ws28 org.gnome.Shell.desktop[18176]: Resolving clients2.google.com (clients2.google.com)... 142.250.186.174, 2a00:1450:4001:82b::200e
Mar 11 15:35:27 ws28 org.gnome.Shell.desktop[18176]: Connecting to clients2.google.com (clients2.google.com)|142.250.186.174|:443... libva error: va_getDriverName() failed with unknown libva error,driver_name=(null)
Mar 11 15:35:27 ws28 org.gnome.Shell.desktop[18176]: [26308:26308:0311/153527.705821:ERROR:sandbox_linux.cc(374)] InitializeSandbox() called with multiple threads in process gpu-process.
Mar 11 15:35:31 ws28 whoopsie[3275]: [15:35:31] Cannot reach: https://daisy.ubuntu.com
Mar 11 15:35:37 ws28 org.gnome.Shell.desktop[18176]: failed: Connection timed out.
Mar 11 15:35:37 ws28 org.gnome.Shell.desktop[18176]: Connecting to clients2.google.com (clients2.google.com)|2a00:1450:4001:82b::200e|:443... failed: Cannot assign requested address.
Mar 11 15:35:37 ws28 org.gnome.Shell.desktop[18176]: Giving up.
Mar 11 15:35:37 ws28 org.gnome.Shell.desktop[18176]: Unexpected crash report id length
Mar 11 15:35:37 ws28 org.gnome.Shell.desktop[18176]: Failed to get crash dump id.
Mar 11 15:35:37 ws28 org.gnome.Shell.desktop[18176]: Report Id:
有人知道发生了什么事吗？提前谢谢。