[  489.557688] netdevsim netdevsim296 eni296np1: renamed from eth0
[  489.655138] netdevsim netdevsim573 eni573np1: renamed from eth1
[  489.862844] Could not find device with ifindex 2000 in netnsfd 11
[  489.863037] Could not find netns with fd: 2000
[  489.863121] Cannot link a netdevsim to itself
[  489.863208] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).