The goal was to separate my event system from network library logic. That's it.
conan install . --build=missing -s build_type=Debug --output-folder="conan/Debug"
conan install . --build=missing -s build_type=Release --output-folder="conan/Release"mkdir -p cmake-build && cd cmake-build
cmake .. -DCMAKE_TOOLCHAIN_FILE="../conan/Debug/conan_toolchain.cmake"
cmake --build ....