[  757.315808][T14614] netdevsim netdevsim331 eni331np1: renamed from eth0
[  757.328800][T14616] netdevsim netdevsim514 eni514np1: renamed from eth1
[  757.946685][T14602] Could not find device with ifindex 2000 in netnsfd 11
[  757.947316][T14602] Could not find netns with fd: 2000
[  757.947802][T14602] Cannot link a netdevsim to itself
[  757.948375][T14602] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).