- ssh, "ip link set "
- "$(basename /sys/bus/pci/devices/{pci}/net/*) down".
- format(pci=pci), sudo=True)
+ ssh, "[[ -d {path}/{pci}/net ]] && "
+ "sudo ip link set $(basename {path}/{pci}/net/*) down".
+ format(pci=pci, path='/sys/bus/pci/devices'))