[  487.464969] netdevsim netdevsim386 eni386np1: renamed from eth0
[  487.562057] netdevsim netdevsim552 eni552np1: renamed from eth1
[  487.769151] Could not find device with ifindex 2000 in netnsfd 11
[  487.769422] Could not find netns with fd: 2000
[  487.769495] Cannot link a netdevsim to itself
[  487.769580] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).