[  522.678007] netdevsim netdevsim457 eni457np1: renamed from eth0
[  522.775815] netdevsim netdevsim679 eni679np1: renamed from eth1
[  523.019605] Could not find device with ifindex 2000 in netnsfd 11
[  523.019788] Could not find netns with fd: 2000
[  523.019864] Cannot link a netdevsim to itself
[  523.019966] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).