[  479.218542] netdevsim netdevsim354 eni354np1: renamed from eth0
[  479.219099] netdevsim netdevsim694 eni694np1: renamed from eth1
[  479.304584] Could not find device with ifindex 2000 in netnsfd 11
[  479.304699] Could not find netns with fd: 2000
[  479.304754] Cannot link a netdevsim to itself
[  479.304821] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).