[  481.424024] netdevsim netdevsim349 eni349np1: renamed from eth0
[  481.525357] netdevsim netdevsim744 eni744np1: renamed from eth1
[  481.865425] Could not find device with ifindex 2000 in netnsfd 11
[  481.865565] Could not find netns with fd: 2000
[  481.865654] Cannot link a netdevsim to itself
[  481.865758] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).