Almost perfect minimalistic build (2 logread errors?)

As anyone of you ever encountered these two errors on their logread?

Can't analyze schedule() prologue at 803adb48
user.notice mac80211: Failed command: iw phy phy0 set antenna all all

Device TP-W8970 v1
OpenWRT 18.06 r7638-c5c20f510a
Config (difffile) + buildlog + complete logread + built image + current /etc/config folder:

Also, for the vdsl.bin file (vdsl firmware) I put it there manually (so I save a lot of space on the final image, I can also remove bspatch and some other stuffs). I use the last available version redistributable version (the same openwrt normally use: