36498.202 frames    760.379 ms total roundtrip latency
        extra loopback latency: 36242 frames
        use 18121 for the backend arguments -I and -O ??
  8610.238 frames    179.380 ms total roundtrip latency
        extra loopback latency: 8354 frames
        use 4177 for the backend arguments -I and -O ?? Inv
  8610.238 frames    179.380 ms total roundtrip latency
        extra loopback latency: 8354 frames
        use 4177 for the backend arguments -I and -O ??
  9506.069 frames    198.043 ms total roundtrip latency
        extra loopback latency: 9250 frames
        use 4625 for the backend arguments -I and -O ?? Inv
  9506.069 frames    198.043 ms total roundtrip latency
        extra loopback latency: 9250 frames
        use 4625 for the backend arguments -I and -O ??
  9506.069 frames    198.043 ms total roundtrip latency
        extra loopback latency: 9250 frames
        use 4625 for the backend arguments -I and -O ?? Inv
  9506.069 frames    198.043 ms total roundtrip latency
        extra loopback latency: 9250 frames
        use 4625 for the backend arguments -I and -O ??
 51162.189 frames   1065.879 ms total roundtrip latency
        extra loopback latency: 50906 frames
        use 25453 for the backend arguments -I and -O ?? Inv
 59354.043 frames   1236.543 ms total roundtrip latency
        extra loopback latency: 59098 frames
        use 29549 for the backend arguments -I and -O ??
 59354.043 frames   1236.543 ms total roundtrip latency
        extra loopback latency: 59098 frames
        use 29549 for the backend arguments -I and -O ?? Inv
 59354.043 frames   1236.543 ms total roundtrip latency
        extra loopback latency: 59098 frames
        use 29549 for the backend arguments -I and -O ??
 59354.043 frames   1236.543 ms total roundtrip latency
        extra loopback latency: 59098 frames
        use 29549 for the backend arguments -I and -O ?? Inv
 59354.043 frames   1236.543 ms total roundtrip latency
        extra loopback latency: 59098 frames
        use 29549 for the backend arguments -I and -O ??