2n-gnr DMA: ZeroDivisionError

[vrpolakatcisco]

CSIT error when dividing DSA among workers. Making 2C tests fail while 1C and 4C are passing in trending [0]. Also affects nginx-dma tests the same way.

[0] 2n-gnr mrr memif-dma

[vrpolakatcisco]

In rls2606 the error happens [1] under Enable Dmas And Wqs On Dut keyword.

[1] https://logs.fd.io/vex-yul-rot-jenkins-1/csit-vpp-perf-report-iterative-2606-2n-gnr/28487815623/log.html.gz#s1-s1-s1-s1-s2-t2-k2-k8-k1-k1-k1