[Bug 1674] ebtables causing packet loss

[bugzilla-daemon at netfilter.org]

https://bugzilla.netfilter.org/show_bug.cgi?id=1674

--- Comment #6 from ryder1ross at gmail.com ---
I have around 150 VPSes on the server so I tried to apply the rules at around
10 minutes of interval without drop rules

Applied for 1 VPS

Applied for more 5 VPS at once : ebtables -L --Lx |wc -l : 107 (count of
output)

Applied for more10 VPS at once : ebtables -L --Lx |wc -l : 269 (count of
output)

Applied for more 20 VPS at once : ebtables -L --Lx |wc -l : 595 (count of
output)

---  ping statistics ---
239 packets transmitted, 234 received, 2.09205% packet loss, time 238439ms
rtt min/avg/max/mdev = 5.434/6.621/87.034/8.033 ms


--- ping statistics ---
228 packets transmitted, 228 received, 0% packet loss, time 227303ms
rtt min/avg/max/mdev = 5.436/7.445/318.067/21.496 ms


------------------------------------------------------------------------------------------

Applied for more 50 VPS at once : ebtables -L --Lx |wc -l : 1400 (count of
output)

--- ping statistics ---
212 packets transmitted, 197 received, 7.07547% packet loss, time 211530ms
rtt min/avg/max/mdev = 5.458/25.077/348.502/52.653 ms


--- ping statistics ---
204 packets transmitted, 197 received, 3.43137% packet loss, time 203383ms
rtt min/avg/max/mdev = 5.455/10.922/214.666/23.377 ms

------------------------------------------------------------------------------------------
after 20 mins


--- ping statistics ---
202 packets transmitted, 190 received, 5.94059% packet loss, time 201482ms
rtt min/avg/max/mdev = 5.447/24.766/275.033/46.939 ms


------------------------------------------------------------------------------------------

Applied for 20 VPS at once:  ebtables -L --Lx |wc -l : 1753

--- ping statistics ---
205 packets transmitted, 167 received, 18.5366% packet loss, time 204985ms
rtt min/avg/max/mdev = 5.458/31.679/310.276/60.866 ms

------------------------------------------------------------------------------------------

100% ksoftirqd/57 starts to show up after around 1500 lines of output and
packet loss increases too.

RAM/CPU was free 

%Cpu(s): 46.9 us, 10.6 sy,  0.0 ni, 37.8 id,  0.0 wa,  1.4 hi,  3.3 si,  0.0 st
MiB Mem : 515835.8 total,  90607.5 free, 283876.2 used, 141352.1 buff/cache
MiB Swap:   8198.0 total,   8198.0 free,      0.0 used. 223415.2 avail Mem

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