kern/53047: tun0 doesn't work with WPA base station

[andrew.cagney%gmail.com@localhost]

>Number:         53047
>Category:       kern
>Synopsis:       tun0 doesn't work with WPA base station
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Feb 22 00:50:00 +0000 2018
>Originator:     Andrew Cagney
>Release:        NetBSD 8.0_BETA
>Organization:
>Environment:
NetBSD 8.0_BETA (ODROID-C1) #3: Wed Jan 17 22:30:46 EST 2018
        netbsd-build/8/evbearmv7hf-el/sys/arch/evbarm/compile/ODROID-C1
...
run0 at uhub2 port 1
run0: Ralink (0xb05) 802.11 n WLAN (0x1784), rev 2.00/1.01, addr 3
run0: MAC/BBP RT3071 (rev 0x0213), RF RT3022 (MIMO 2T2R), address
e0:cb:e0:cb:b1:32
run0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
run0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps
24Mbps 36Mbps 48Mbps 54Mbps
(asus N13 USB)

>Description:
wpa_supplicant, according to wpa_cli is forever scanning.

Reproduced on amd64 and arm.

On the amd64 I was able to confirm that it was't my config.  Pointing wpa_supplicant at the built-in WIFI worked.

>How-To-Repeat:

>Fix: