Small values bytes_in/bytes_out after week work

[zersh01]

Good day!
After a while, about a week later, gmond starts sending out small values.
There may be an overflow or an incorrect count.
I tested 2 versions, from https://sourceforge.net/projects/ganglia/files/ and git

cat /proc/net/dev
Inter-| Receive | Transmit
face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed
vlan1707: 0 0 0 0 0 0 0 0 48721824 1160036 0 0 0 0 0 0
veth6dd62d7: 2421616653 11557341 0 0 0 0 0 0 1737395806 17397487 0 0 0 0 0 0
vethaa1f69f: 848501579344 868809383 0 0 0 0 0 0 485803836265 858311119 0 0 0 0 0 0
veth9b57c56: 2641739 57165 0 0 0 0 0 0 2944173 63380 0 0 0 0 0 0
enp7s0: 11027741955 130849529 0 0 0 0 0 72652712 6015742529 12674456 0 0 0 0 0 0
veth3a6be43: 667182 3978 0 0 0 0 0 0 1450578 4092 0 0 0 0 0 0
vlan2051: 2960462323 6395362 0 0 0 0 0 2509977 3004 54 0 0 0 0 0 0
lo: 2470585095170679 425521566578 0 0 0 0 0 0 2470585095170679 425521566578 0 0 0 0 0 0
vetha072e81: 935602753 5781520 0 0 0 0 0 0 2236737503 5614240 0 0 0 0 0 0
vlan1708: 648625444585 13239641428 0 0 0 0 0 0 117776073168854 19378776050 0 0 0 0 0 0
vethe7b0327: 45520957550 76156892 0 0 0 0 0 0 42069769131 76733854 0 0 0 0 0 0
veth7fd485e: 172925666732 44972780 0 0 0 0 0 0 3875688249 44930414 0 0 0 0 0 0
veth8067fd0: 202907176323 65556716 0 0 0 0 0 0 7961041302 66132820 0 0 0 0 0 0
vethd080c55: 7371469537 82003284 0 0 0 0 0 0 176288411422 80314455 0 0 0 0 0 0
vlan1705: 1514757304014 30971984267 0 0 0 0 0 0 265864877310571 44602509218 0 0 0 0 0 0
vlan501: 8735258046229 6502233682 0 637 0 0 0 6502041953 128262364 2788300 0 0 0 0 0 0
vethc5eb88f: 2014880699988 5810120334 0 0 0 0 0 0 1487963163452 6033027664 0 0 0 0 0 0
veth89eedd8: 460612369 3418918 0 0 0 0 0 0 390427060 3768981 0 0 0 0 0 0
veth07cec77: 29194 503 0 0 0 0 0 0 50571946 650745 0 0 0 0 0 0
vlan1119: 22602 453 0 0 0 0 0 453 1208 14 0 0 0 0 0 0
veth8615352: 477975798 3519248 0 0 0 0 0 0 401682298 3874150 0 0 0 0 0 0
veth03b75d0: 1050279824581 945688953 0 0 0 0 0 0 240912836153 1346341105 0 0 0 0 0 0
veth9fb7520: 801874632262 758659513 0 0 0 0 0 0 167202412280 940093160 0 0 0 0 0 0
vethc7b9379: 25268955288 158848619 0 0 0 0 0 0 82125062242 157915294 0 0 0 0 0 0
veth29f03f3: 0 0 0 0 0 0 0 0 587137 11557 0 0 0 0 0 0
br-53c65faa16c9: 58750266 1235864 0 0 0 0 0 0 7452688237 1585047 0 0 0 0 0 0
vlan1706: 3407689222030 69631428140 0 0 0 0 0 0 605800247218644 97894215725 0 0 0 0 0 0
vlan3099: 7865027499922 5879832888 0 0 0 0 0 5852925796 449950210 9781515 0 0 0 0 0 0
veth6c87ce2: 14588043099 161219961 0 0 0 0 0 0 8897261571 112760777 0 0 0 0 0 0
veth8e9025b: 206270156064 109129197 0 0 0 0 0 0 180766140491 109141344 0 0 0 0 0 0
ens6f0: 3142741960698842 2815268359049 426 11141 0 426 0 12357699077 5329254199942518 4185669282502 0 0 0 0 0 0
veth9384af8: 97029587620 33152071 0 0 0 0 0 0 30712761203 25498759 0 0 0 0 0 0
docker0: 5053065628173 15150009610 0 0 0 0 0 0 3577177359418 15444059512 0 0 0 0 0 0
vlan2050: 23292 468 0 0 0 0 0 447 1118 13 0 0 0 0 0 0
veth46b8d7b: 41923382084 267299815 0 0 0 0 0 0 402087811112 255537979 0 0 0 0 0 0
vetha1c9544: 907908199 5654233 0 0 0 0 0 0 2189448843 5492472 0 0 0 0 0 0
veth4fc497d: 150 3 0 0 0 0 0 0 40120798 649939 0 0 0 0 0 0
veth6b1a8b9: 158312843642 1617954273 0 0 0 0 0 0 139703187278 1610691288 0 0 0 0 0 0
ens6f1: 7164874769517 113843054573 0 0 0 0 0 0 1017239764575029 676664028459 0 0 0 0 0 0
veth3c1d5e5: 47466814455 155310650 0 0 0 0 0 0 36504908461 155669894 0 0 0 0 0 0