Hi Olegred and Welcome to The Forum.
A lot of your earlier crashes are blaming the wstdiwlh.sys driver. After some searching I found that this belongs to a program called SurfControl Web Filter, a program I've never seen or heard of before......
This could well be tying in with the fact that tcpip.sys is showing to be the possible cause in the later crashes because the SurfControl Web Filter program is attempting to connect to the internet. If the wstdiwlh.sys is corrupted it will send bad signals (either to tcpip.sys or through it), which confuses tcpip.sys. This confusion is what causes tcpip.sys to crash.
Are you aware of the SurfControl program? Could you uninstall it to test if your system becomes stable?
Also:
McAfee is...