Slow packet forwarding between eqos and i350

Hi maxlapshin,

We tried to reprodcue this issue with our NIC but no unstable one is seen.

Connecting to host 10.25.0.3, port 5201
[  4] local 10.24.0.3 port 55310 connected to 10.25.0.3 port 5201
[ ID] Interval           Transfer     Bandwidth       Retr  Cwnd
[  4]   0.00-1.00   sec  70.3 MBytes   589 Mbits/sec    0    823 KBytes       
[  4]   1.00-2.00   sec  71.2 MBytes   598 Mbits/sec    0    901 KBytes       
[  4]   2.00-3.00   sec  71.2 MBytes   598 Mbits/sec    0    963 KBytes       
[  4]   3.00-4.00   sec  70.0 MBytes   587 Mbits/sec    0   1012 KBytes       
[  4]   4.00-5.00   sec  71.2 MBytes   598 Mbits/sec    0   1.04 MBytes       
[  4]   5.00-6.00   sec  71.2 MBytes   598 Mbits/sec    0   1.04 MBytes       
[  4]   6.00-7.00   sec  70.0 MBytes   587 Mbits/sec    0   1.04 MBytes       
[  4]   7.00-8.00   sec  71.2 MBytes   598 Mbits/sec    0   1.04 MBytes       
[  4]   8.00-9.00   sec  70.0 MBytes   587 Mbits/sec    0   1.04 MBytes       
[  4]   9.00-10.00  sec  71.2 MBytes   598 Mbits/sec    0   1.11 MBytes       
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