[  517.610062] netdevsim netdevsim353 eni353np1: renamed from eth0
[  517.708145] netdevsim netdevsim689 eni689np1: renamed from eth1
[  517.938663] Could not find device with ifindex 2000 in netnsfd 11
[  517.938832] Could not find netns with fd: 2000
[  517.938920] Cannot link a netdevsim to itself
[  517.939010] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).