r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=@allocspi={0x104, 0x16, 0x39, 0x0, 0x0, {{{@in=@remote, @in6=@private2}, {@in6=@ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}, 0x0, 0x33}, @in=@multicast1}, 0x0, 0x400}, [@mark={0xc, 0x15, {0x0, 0x3f}}]}, 0x104}}, 0x0)