+| | FOR | ${dut} | IN | @{duts}
+| | | Set Interface Flow Control
+| | | ... | ${nodes['${dut}']} | ${${dut}_pf_pci} | rx="off" | tx="off"
+| | | Set PCI Parameter
+| | | ... | ${nodes['${dut}']} | ${${dut}_pf_pci} | key="68.w" | value="3BCD"
+| | END
+
+| Pre-initialize layer mlx5_core on all DUTs
+| | [Documentation]
+| | ... | Pre-initialize mlx5_core driver.
+| |
+| | FOR | ${dut} | IN | @{duts}
+| | | Run Keyword If | ${jumbo}
+| | | ... | Set Interface MTU | ${nodes['${dut}']} | ${${dut}_pf_pci} | mtu=9200
+| | | ... | ELSE
+| | | ... | Set Interface MTU | ${nodes['${dut}']} | ${${dut}_pf_pci} | mtu=1500
+| | | Set Interface Flow Control
+| | | ... | ${nodes['${dut}']} | ${${dut}_pf_pci} | rx="off" | tx="off"
+| | | Set PCI Parameter
+| | | ... | ${nodes['${dut}']} | ${${dut}_pf_pci} | key="68.w" | value="3BCD"
+| | END