[  524.323104] netdevsim netdevsim693 eni693np1: renamed from eth1
[  524.420110] netdevsim netdevsim467 eni467np1: renamed from eth0
[  524.662754] Could not find device with ifindex 2000 in netnsfd 11
[  524.662944] Could not find netns with fd: 2000
[  524.663079] Cannot link a netdevsim to itself
[  524.663213] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).