[  488.233123] netdevsim netdevsim341 eni341np1: renamed from eth0
[  488.334550] netdevsim netdevsim710 eni710np1: renamed from eth1
[  488.706891] Could not find device with ifindex 2000 in netnsfd 11
[  488.707058] Could not find netns with fd: 2000
[  488.707145] Cannot link a netdevsim to itself
[  488.707250] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).