[  757.165543][T14548] netdevsim netdevsim266 eni266np1: renamed from eth0
[  757.179257][T14550] netdevsim netdevsim627 eni627np1: renamed from eth1
[  757.729544][T14536] Could not find device with ifindex 2000 in netnsfd 11
[  757.730104][T14536] Could not find netns with fd: 2000
[  757.730489][T14536] Cannot link a netdevsim to itself
[  757.731174][T14536] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).