r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000800)={&(0x7f0000000100)=@updsa={0x154, 0x1a, 0x1, 0x70bd27, 0x25dfdbfc, {{@in=@loopback, @in6=@local, 0x4e22, 0x0, 0x4e20, 0x2, 0xa, 0x60, 0x80}, {@in6=@rand_addr=' \x01\x00', 0x4d6, 0x33}, @in6=@private0, {0x8000, 0x6, 0xe, 0x2, 0x5, 0xa3a7, 0x3f}, {0x5, 0x3, 0x2, 0x7}, {0x1, 0xb3e1, 0x10000}, 0x70bd2a, 0x80003503, 0xa, 0x1, 0x1, 0x21}, [@algo_auth={0x48, 0x1, {{'cmac(aes)\x00'}}}, @encap={0x1c, 0x4, {0x0, 0x4e23, 0x4e21, @in6=@mcast2}}]}, 0x154}, 0x1, 0x0, 0x0, 0x4040000}, 0x40000)