[  489.376505] netdevsim netdevsim711 eni711np1: renamed from eth1
[  489.473075] netdevsim netdevsim349 eni349np1: renamed from eth0
[  489.688197] Could not find device with ifindex 2000 in netnsfd 11
[  489.688478] Could not find netns with fd: 2000
[  489.688568] Cannot link a netdevsim to itself
[  489.688663] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).