[  513.278320] netdevsim netdevsim391 eni391np1: renamed from eth0
[  513.376074] netdevsim netdevsim765 eni765np1: renamed from eth1
[  513.578095] Could not find device with ifindex 2000 in netnsfd 11
[  513.578321] Could not find netns with fd: 2000
[  513.578430] Cannot link a netdevsim to itself
[  513.578568] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).