[  755.437013][T14562] netdevsim netdevsim417 eni417np1: renamed from eth0
[  755.443996][T14564] netdevsim netdevsim766 eni766np1: renamed from eth1
[  756.000509][T14550] Could not find device with ifindex 2000 in netnsfd 11
[  756.001417][T14550] Could not find netns with fd: 2000
[  756.001958][T14550] Cannot link a netdevsim to itself
[  756.002361][T14550] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).