r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000002e00)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000004c0)=@updsa={0x138, 0x1a, 0x1, 0x0, 0x0, {{@in6=@loopback, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xee01}, {@in=@local, 0x0, 0x33}, @in6=@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', {}, {}, {}, 0x0, 0x0, 0x2}, [@algo_auth={0x48, 0x1, {{'sha512\x00'}}}]}, 0x138}}, 0x0)