r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000400)=@updpolicy={0xb8, 0x13, 0x1, 0x0, 0x0, {{@in, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}}}, 0xb8}}, 0x0)