I want to execute the usrp_echotimer_dual_cw example from the GNURadio gr-radar OOT module. The flowgraph works fine with the internal gigabit ethernet adapter but fails with the external PCI gigabit ethernet adapter. Here is the output of the successful execution (eth0) of the flowgraph: The failed execution (eth1) looks like this: These are my network cards: I don’t think it