Maybe you should look at this:
https://github.com/android/kernel_msm/compare/android-msm-mako-3.4-kitkat-mr1...android-msm-mako-3.4-kitkat-mr2
or that:
https://github.com/AOKP/kernel_lge_mako/commit/634fac6f482e2502561f844a3bb71038e58a05a8
Google had *made* kernel-side change and there comes a...
@M1cha could you upload newer 4.4.3 kernel code to github? The upstream kernel_msm contains much fixes of network and CVEs that I can't find in your github repo.
If there's a 4.4.3 build, where are the code?
P.S. Vendor libs may be updated,too...