根据dmesg，我的系统 (Kubuntu 18.04) 在启动时需要额外 5 到 15 秒才能使接口“wlp3s0”进行身份验证。这使得启动过程比需要的时间更长。有人知道可能是什么原因，以及如何修复它吗？
我有一台 Thinkpad T450s，如果这有帮助的话。
输出dmesg | grep wlp如下：
[ 5.008947] iwlwifi 0000:03:00.0 wlp3s0: renamed from wlan0
[ 5.923565] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
[ 6.027908] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
[ 6.080147] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
[ 11.343907] wlp3s0: authenticate with 9c:d3:6d:b3:bf:64
[ 11.349650] wlp3s0: send auth to 9c:d3:6d:b3:bf:64 (try 1/3)
[ 11.353323] wlp3s0: authenticated
[ 11.354369] wlp3s0: associate with 9c:d3:6d:b3:bf:64 (try 1/3)
[ 11.364316] wlp3s0: RX AssocResp from 9c:d3:6d:b3:bf:64 (capab=0x411 status=0 aid=3)
[ 11.365762] wlp3s0: associated
[ 11.393441] IPv6: ADDRCONF(NETDEV_CHANGE): wlp3s0: link becomes ready
顺便说一句，禁用 IPv6 没有什么区别，我试过了。