r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000180)=@allocspi={0xf8, 0x16, 0x1, 0x0, 0x0, {{{@in=@empty, @in6=@ipv4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, {@in=@multicast1, 0x0, 0x33}, @in6=@private0, {}, {}, {}, 0x0, 0x0, 0x2}, 0x0, 0x101}}, 0xf8}}, 0x0)