[  518.656055] netdevsim netdevsim700 eni700np1: renamed from eth1
[  518.752677] netdevsim netdevsim322 eni322np1: renamed from eth0
[  518.979204] Could not find device with ifindex 2000 in netnsfd 11
[  518.979428] Could not find netns with fd: 2000
[  518.979527] Cannot link a netdevsim to itself
[  518.979639] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).