[  479.522299] netdevsim netdevsim496 eni496np1: renamed from eth0
[  479.523709] netdevsim netdevsim541 eni541np1: renamed from eth0
[  479.612377] Could not find device with ifindex 2000 in netnsfd 11
[  479.612481] Could not find netns with fd: 2000
[  479.612531] Cannot link a netdevsim to itself
[  479.612585] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).