Add bash completion for `dockerd --network-control-plane-mtu`
Add bash completion for `dockerd --network-control-plane-mtu`

Signed-off-by: Harald Albers <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@albersweb.de>

ashfall/cli,cpuguy83/cli,redpanda/cli,thaJeztah/cli,allencloud/cli,allencloud/cli,dnephin/cli,docker/cli,cpuguy83/cli,dnephin/cli,thaJeztah/cli,docker/cli,redpanda/cli,ashfall/cli