[  480.437570] netdevsim netdevsim408 eni408np1: renamed from eth0
[  480.538933] netdevsim netdevsim609 eni609np1: renamed from eth1
[  480.883510] Could not find device with ifindex 2000 in netnsfd 11
[  480.883677] Could not find netns with fd: 2000
[  480.883764] Cannot link a netdevsim to itself
[  480.883881] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).