ipip6_tunnel_clone_6rd 212 net/ipv6/sit.c ipip6_tunnel_clone_6rd(dev, sitn); ipip6_tunnel_clone_6rd 1334 net/ipv6/sit.c ipip6_tunnel_clone_6rd(dev, sitn); ipip6_tunnel_clone_6rd 1872 net/ipv6/sit.c ipip6_tunnel_clone_6rd(sitn->fb_tunnel_dev, sitn);