r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000000100)=@allocspi={0xf8, 0x16, 0x1, 0x0, 0x0, {{{@in=@multicast1, @in6=@rand_addr=' \x01\x00'}, {@in=@multicast2, 0x0, 0xff}, @in6=@mcast1}}}, 0xf8}}, 0x0)