r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000800)={&(0x7f0000000840)=@updsa={0x140, 0x1a, 0x1, 0x70bd27, 0x25dfdbfe, {{@in=@loopback, @in=@dev={0xac, 0x14, 0x14, 0x3f}, 0x4e1e, 0xffff, 0x4e20, 0x2, 0xa, 0x60, 0x80}, {@in=@multicast1, 0x4d6, 0x32}, @in6=@empty, {0x8000, 0x6, 0x9, 0x2, 0x80005, 0xa3a7, 0x3f}, {0x5, 0x3, 0x2, 0x7}, {0x1, 0x0, 0x10000}, 0x70bd2a, 0x0, 0xa, 0x1, 0x1, 0x21}, [@algo_auth={0x48, 0x1, {{'cmac(aes)\x00'}}}, @XFRMA_SA_DIR={0x5, 0x21, 0x2}]}, 0x140}, 0x1, 0x0, 0x0, 0x4040041}, 0x88d0)