[  522.928868] netdevsim netdevsim292 eni292np1: renamed from eth0
[  523.026653] netdevsim netdevsim535 eni535np1: renamed from eth1
[  523.302873] Could not find device with ifindex 2000 in netnsfd 11
[  523.303103] Could not find netns with fd: 2000
[  523.303204] Cannot link a netdevsim to itself
[  523.303351] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).