root@hv4:~# iostat -dx 1
Linux 4.15.18-9-pve (hv4)       01/24/2019      _x86_64_        (24 CPU)

Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await r_await w_await  svctm  %util
sda               0.01    13.50    7.34   20.23   139.80   607.84    54.24     0.05    1.73    4.05    0.89   0.47   1.28
sdb               0.01    13.52    2.91   20.21   100.04   607.84    61.23     0.03    1.41    5.13    0.88   0.24   0.55
sdc               0.01     2.49   52.50  216.26   795.22  6381.92    53.41     0.06    0.24    0.34    0.22   0.07   1.90
sdd               0.00    30.54    2.18  114.16    95.68   703.55    13.74     0.01    0.08    0.54    0.07   0.05   0.55
sde               0.00     0.00    0.10    0.00     1.44     0.00    29.76     0.00    3.03    3.03    0.00   1.74   0.02
sdf               0.00     0.50   27.35  215.14   585.17  1743.70    19.21     0.04    0.15    0.51    0.10   0.07   1.59
sdg               0.00     0.38   45.12  246.08  1601.14  2351.86    27.15     0.15    0.52    2.38    0.18   0.11   3.10
sdh               0.00     0.27   30.21  203.02   617.85  1067.64    14.45     0.03    0.12    0.37    0.08   0.06   1.43
md0               0.00     0.00    9.37   29.63   232.51   598.10    42.59     0.00    0.00    0.00    0.00   0.00   0.00
dm-0              0.00     0.00    9.08   25.50   229.09   597.92    47.84     0.08    2.27    4.52    1.47   0.98   3.39
dm-1              0.00     0.00    0.18    0.01     2.96     0.01    32.06     0.00    1.47    1.46    1.82   1.29   0.02

root@hv4:~# ifstat -bnzi eth2,eth3
       eth2                eth3
 Kbps in  Kbps out   Kbps in  Kbps out
 1464.93   1472.86  128173.7   3204.81
 1148.24   1117.81  148163.7   6433.01
 1803.84   1404.69  142679.2   3500.35
 2687.83   2508.92  136558.7   4471.62
 1467.45   1110.57  168406.9   2164.86
 2517.43   2338.62  133943.9   2901.75