[  459.098312] netdevsim netdevsim354 eni354np1: renamed from eth0
[  459.099083] netdevsim netdevsim563 eni563np1: renamed from eth1
[  459.184131] Could not find device with ifindex 2000 in netnsfd 11
[  459.184307] Could not find netns with fd: 2000
[  459.184453] Cannot link a netdevsim to itself
[  459.184580] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).