wsl --update
wsl --shutdown

docker build . -t dc

docker run -it -v C:\Users\okina\dockerCan:/mnt/c/Users/okina/dockerCan --cap-add=NET_ADMIN dc /bin/bash

git clone https://github.com/microsoft/WSL2-Linux-Kernel
cd WSL2-Linux-Kernel
git checkout `uname -r` # I'm just using the latest release of the `microsoct/WSL2-Linux-Kernel`
cat /proc/config.gz | gunzip > .config
make prepare modules_prepare
make menuconfig  # select vcan and can here
make modules
make modules_install

# Per ak-aptiv
make -j $(nproc)
sudo make install

# Then copy the kernel to Windows:
cp vmlinux /mnt/c/Users/<yourwindowsloginname>/

# Create .wslconfig file:
vim /mnt/c/Users/<yourwindowsloginname>/.wslconfig
# with the content:
[wsl2] kernel=C:\\Users\\<yourwindowsloginname>\\vmlinux

# and finally restart your WSL:
exit
wsl --shutdown
wsl

modprobe vcan
ip link add dev vcan0 type vcan
ip link set up vcan0
apt install can-utils