[  475.539534] netdevsim netdevsim350 eni350np1: renamed from eth0
[  475.541141] netdevsim netdevsim653 eni653np1: renamed from eth0
[  475.633241] Could not find device with ifindex 2000 in netnsfd 11
[  475.633389] Could not find netns with fd: 2000
[  475.633503] Cannot link a netdevsim to itself
[  475.633621] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).