kubespray/roles/container-engine/cri-dockerd/templates/cri-dockerd.socket.j2

[Unit]
Description=CRI Docker Socket for the API
PartOf=cri-dockerd.service

[Socket]
ListenStream=%t/cri-dockerd.sock
SocketMode=0660
SocketUser=root
SocketGroup=docker

[Install]
WantedBy=sockets.target