[  485.720826] netdevsim netdevsim641 eni641np1: renamed from eth1
[  485.817836] netdevsim netdevsim292 eni292np1: renamed from eth0
[  486.025873] Could not find device with ifindex 2000 in netnsfd 11
[  486.026195] Could not find netns with fd: 2000
[  486.026289] Cannot link a netdevsim to itself
[  486.026411] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).