Slot number. hpnicfTunnelInetConfigSlot, hpnicfTunnelInetConfigSubSlot
and hpnicfTunnelInetConfigTunnNum describe a tunnel interface.
For Example, interface tunnel 0/0/25 would be configured as:
hpnicfTunnelInetConfigSlot 0
hpnicfTunnelInetConfigSubSlot 0
hpnicfTunnelInetConfigTunnNum 25