WSL 环境下 Ktconnect 连接以后，无法访问外网

[albertclass]

Describe the bug
通过ktconnect连接到集群后，无法访问外部网络。
有以下日志输出
7:21PM WRN Failed to lookup default.exp-tas.com. (1) in dns (127.0.0.1:20951) error="read tcp 127.0.0.1:44912->127.0.0.1:20951: i/o timeout" [60/314]
7:21PM WRN Failed to lookup default.exp-tas.com. (1) in dns (127.0.0.1:20951) error="read tcp 127.0.0.1:33858->127.0.0.1:20951: i/o timeout"
7:21PM WRN Failed to lookup default.exp-tas.com. (28) in dns (127.0.0.1:20951) error="read tcp 127.0.0.1:33870->127.0.0.1:20951: i/o timeout"
7:21PM WRN Failed to lookup default.exp-tas.com. (1) in dns (172.18.0.1:53) error="read udp 172.18.9.36:57270->172.18.0.1:53: i/o timeout"
7:21PM WRN Failed to lookup default.exp-tas.com. (28) in dns (172.18.0.1:53) error="read udp 172.18.9.36:45300->172.18.0.1:53: i/o timeout"
7:21PM WRN Failed to lookup default.exp-tas.com. (1) in dns (172.18.0.1:53) error="read udp 172.18.9.36:37595->172.18.0.1:53: i/o timeout"
7:21PM WRN Failed to lookup default.exp-tas.com. (28) in dns (172.18.0.1:53) error="read udp 172.18.9.36:52881->172.18.0.1:53: i/o timeout"
7:21PM WRN Failed to lookup mobile.events.data.microsoft.com. (28) in dns (127.0.0.1:20951) error="read tcp 127.0.0.1:33886->127.0.0.1:20951: i/o timeout"
7:21PM WRN Failed to lookup mobile.events.data.microsoft.com. (1) in dns (127.0.0.1:20951) error="read tcp 127.0.0.1:33902->127.0.0.1:20951: i/o timeout"
7:21PM WRN Failed to lookup mobile.events.data.microsoft.com. (28) in dns (172.18.0.1:53) error="read udp 172.18.9.36:45545->172.18.0.1:53: i/o timeout"
7:21PM WRN Failed to lookup mobile.events.data.microsoft.com. (1) in dns (172.18.0.1:53) error="read udp 172.18.9.36:46577->172.18.0.1:53: i/o timeout"
7:22PM WRN Failed to lookup default.exp-tas.com. (1) in dns (127.0.0.1:20951) error="read tcp 127.0.0.1:49926->127.0.0.1:20951: i/o timeout"
7:22PM WRN Failed to lookup default.exp-tas.com. (28) in dns (127.0.0.1:20951) error="read tcp 127.0.0.1:49932->127.0.0.1:20951: i/o timeout"
7:22PM WRN Failed to lookup default.exp-tas.com. (1) in dns (172.18.0.1:53) error="read udp 172.18.9.36:47969->172.18.0.1:53: i/o timeout"
7:22PM WRN Failed to lookup default.exp-tas.com. (28) in dns (172.18.0.1:53) error="read udp 172.18.9.36:58784->172.18.0.1:53: i/o timeout"
7:22PM WRN Failed to lookup westus-0.in.applicationinsights.azure.com. (28) in dns (127.0.0.1:20951) error="read tcp 127.0.0.1:49942->127.0.0.1:20951: i/o timeout"

Environment (please complete the following information):

• OS: Windows 11， WSL2， Debian 11
• Kubernetes [e.g. 1.25.2]
• KT Version [e.g. 0.3.7]

[albertclass]

已定位到该问题是由于在WSL环境下，文件句柄限制为了1000个，使用ulimit -f 增加句柄上限到32767后问题解决。