[  525.212961] netdevsim netdevsim313 eni313np1: renamed from eth0
[  525.309848] netdevsim netdevsim545 eni545np1: renamed from eth1
[  525.532304] Could not find device with ifindex 2000 in netnsfd 11
[  525.532498] Could not find netns with fd: 2000
[  525.532592] Cannot link a netdevsim to itself
[  525.532712] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).