r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000002dc0)={&(0x7f0000001e00)=@updsa={0x184, 0x1a, 0x1, 0x0, 0x0, {{@in6=@mcast1, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xee01}, {@in=@multicast1, 0x0, 0x33}, @in6=@loopback, {}, {}, {}, 0x0, 0x0, 0xa}, [@algo_auth_trunc={0x4c, 0x14, {{'sha256\x00'}}}, @algo_comp={0x48, 0x3, {{'lzs\x00'}}}]}, 0x184}}, 0x0)