[  813.574405][T14764] netdevsim netdevsim454 eni454np1: renamed from eth0
[  813.605389][T14766] netdevsim netdevsim614 eni614np1: renamed from eth1
[  814.410754][T14752] Could not find device with ifindex 2000 in netnsfd 11
[  814.411445][T14752] Could not find netns with fd: 2000
[  814.411945][T14752] Cannot link a netdevsim to itself
[  814.412508][T14752] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).