[  492.410671] netdevsim netdevsim435 eni435np1: renamed from eth0
[  492.506393] netdevsim netdevsim573 eni573np1: renamed from eth1
[  492.761110] Could not find device with ifindex 2000 in netnsfd 11
[  492.761429] Could not find netns with fd: 2000
[  492.761507] Cannot link a netdevsim to itself
[  492.761598] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).