uname -a shows,
Linux LEDE 4.4.71 #0 SMP Wed Jun 7 19:24:41 2017 armv7l GNU/Linux
But I don't see an armv7 even available on the build targets for 17.01.4. It's the same major and minor build number.
Is armv7 the ar71xx build?
I'm running a "Netgear Nighthawk X4S R7800".
LuCI shows
LEDE Reboot 17.01.2 r3435-65eec8bd5f / LuCI lede-17.01 branch (git-17.152.82987-7f6fc16)