0. You log shows an Ethernet connection.
1. Killer's Firewall is known for it's poor performance and issues when trying to stream. Please download the driver pack from
the vendor's page , completely uninstall all Killer NIC items and install their Driver only package. That might be
https://downloadcenter.intel.com/product/211604/Intel-Killer-Wireless-Series
2. To ensure that OBS Studio has the hardware resources it needs for realtime streaming and recording, we recommend disabling the "Game DVR Background Recording" feature via
these instructions.
3. Run OBS as Admin. Right click on shortcut, properties, advanced, check box, ok, apply, ok.
4. Having the YUV Color range set to "Full" will cause playback issues in certain browsers and on various video platforms. Shadows, highlights and color will look off. In OBS, go to "Settings -> Advanced" and set "YUV Color Range" back to "Partial".
5. While in Advanced, enable Dynamic Bitrate in the Network portion.
6. Change your output FPS to 30.
7. Display and Game Capture Sources interfere with each other. Never put them in the same scene (Game play).
8. Multiple Game Capture sources are usually not needed, and can sometimes interfere with each other. You can use the same Game Capture for all your games! If you change games often, try out the hotkey mode, which lets you press a key to select your active game. If you play games in fullscreen, use 'Capture any fullscreen application' mode.
Post new log if still having issues.