[  459.446567] netdevsim netdevsim347 eni347np1: renamed from eth0
[  459.447164] netdevsim netdevsim526 eni526np1: renamed from eth1
[  459.547037] Could not find device with ifindex 2000 in netnsfd 11
[  459.547190] Could not find netns with fd: 2000
[  459.547290] Cannot link a netdevsim to itself
[  459.547399] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).