[  513.275981] netdevsim netdevsim525 eni525np1: renamed from eth1
[  513.373930] netdevsim netdevsim331 eni331np1: renamed from eth0
[  513.608076] Could not find device with ifindex 2000 in netnsfd 11
[  513.608283] Could not find netns with fd: 2000
[  513.608383] Cannot link a netdevsim to itself
[  513.608503] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).