[  484.836849] netdevsim netdevsim488 eni488np1: renamed from eth0
[  484.837648] netdevsim netdevsim646 eni646np1: renamed from eth1
[  484.928097] Could not find device with ifindex 2000 in netnsfd 11
[  484.928241] Could not find netns with fd: 2000
[  484.928346] Cannot link a netdevsim to itself
[  484.928470] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).