r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r0, 0x89f3, &(0x7f0000000c00)={'sit0\x00', &(0x7f0000000b80)={'sit0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev, @ipv4}})