我想我已经看过任何其他提出这个问题的线程 - 我已经被这个问题困扰了很长一段时间。
当我启动系统（Kali Linux Rolling）时，出现错误Raise Network Interface [Failed]并systemctl status networking.service输出：
# systemctl status networking.service
● networking.service - Raise network interfaces
Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor prese
Active: failed (Result: exit-code) since Tue 2016-10-25 09:24:36 IDT; 6min ag
Docs: man:interfaces(5)
Main PID: 616 (code=exited, status=1/FAILURE)
Oct 25 09:24:35 MY-PC systemd[1]: Starting Raise network interfaces...
Oct 25 09:24:36 MY-PC ifup[616]: RTNETLINK answers: Operation not possible
Oct 25 09:24:36 MY-PC ifup[616]: Failed to bring up wlan0.
Oct 25 09:24:36 MY-PC systemd[1]: networking.service: Main process exited,
Oct 25 09:24:36 MY-PC systemd[1]: Failed to start Raise network interfaces.
Oct 25 09:24:36 MY-PC systemd[1]: networking.service: Unit entered failed s
Oct 25 09:24:36 MY-PC systemd[1]: networking.service: Failed with result 'e
我的网卡是Network controller: Qualcomm Atheros AR9287 Wireless Network Adapter (PCI-Express) (rev 01).我的网卡是新的，但当周围明显有网络时，我看不到任何网络显示（它曾经有效，但不知何故，现在不起作用）。
以下是一些命令的输出，这些输出将泄露有关该场景的一些有用信息：
# iwconfig
eth0 no wireless extensions.
wlan0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
lo no wireless extensions.
# rfkill list
0: phy0: Wireless LAN
Soft blocked: no [COMMENT: THIS IS SOFT BLOCKED WHEN WIFI IS OFF AND IS NOT WHEN I TURN ON WIFI]
Hard blocked: no
我已经遇到这个问题很长一段时间了，有什么办法可以解决这个问题并使我的 WiFi 再次工作吗？