[  471.933945] netdevsim netdevsim417 eni417np1: renamed from eth0
[  471.934249] netdevsim netdevsim541 eni541np1: renamed from eth1
[  472.011290] Could not find device with ifindex 2000 in netnsfd 11
[  472.011370] Could not find netns with fd: 2000
[  472.011414] Cannot link a netdevsim to itself
[  472.011463] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).