[  427.600707] netdevsim netdevsim690 eni690np1: renamed from eth1
[  427.600994] netdevsim netdevsim296 eni296np1: renamed from eth0
[  427.688276] Could not find device with ifindex 2000 in netnsfd 11
[  427.688371] Could not find netns with fd: 2000
[  427.688410] Cannot link a netdevsim to itself
[  427.688454] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).