r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f0000000000)=@allocspi={0x100, 0x16, 0x39, 0x0, 0x0, {{{@in=@local, @in=@multicast2}, {@in=@loopback, 0x0, 0x33}, @in=@multicast1}}, [@XFRMA_IF_ID={0x8}]}, 0x100}}, 0x0)