[  475.346298] netdevsim netdevsim345 eni345np1: renamed from eth0
[  475.346851] netdevsim netdevsim563 eni563np1: renamed from eth1
[  475.424571] Could not find device with ifindex 2000 in netnsfd 11
[  475.424707] Could not find netns with fd: 2000
[  475.424826] Cannot link a netdevsim to itself
[  475.424945] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).