[  752.428997][T14557] netdevsim netdevsim451 eni451np1: renamed from eth0
[  752.442291][T14559] netdevsim netdevsim622 eni622np1: renamed from eth1
[  752.999732][T14545] Could not find device with ifindex 2000 in netnsfd 11
[  753.000227][T14545] Could not find netns with fd: 2000
[  753.000603][T14545] Cannot link a netdevsim to itself
[  753.001033][T14545] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).