[  495.671612] netdevsim netdevsim727 eni727np1: renamed from eth1
[  495.767653] netdevsim netdevsim292 eni292np1: renamed from eth0
[  496.020510] Could not find device with ifindex 2000 in netnsfd 11
[  496.020831] Could not find netns with fd: 2000
[  496.020905] Cannot link a netdevsim to itself
[  496.020995] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).