r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000500)=@newsa={0x144, 0x10, 0x9063c8f45262bcb, 0x0, 0x0, {{@in6=@loopback, @in=@loopback}, {@in=@multicast2, 0x0, 0x33}, @in6=@mcast1, {}, {}, {}, 0x0, 0x0, 0xa}, [@algo_auth={0x48, 0x1, {{'md5\x00'}}}, @sec_ctx={0xc, 0x8, {0x8}}]}, 0x144}}, 0x0)