[  479.209455] netdevsim netdevsim407 eni407np1: renamed from eth0
[  479.311073] netdevsim netdevsim714 eni714np1: renamed from eth1
[  479.639332] Could not find device with ifindex 2000 in netnsfd 11
[  479.639456] Could not find netns with fd: 2000
[  479.639534] Cannot link a netdevsim to itself
[  479.639617] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).