[  491.777511] netdevsim netdevsim737 eni737np1: renamed from eth1
[  491.873355] netdevsim netdevsim295 eni295np1: renamed from eth0
[  492.112114] Could not find device with ifindex 2000 in netnsfd 11
[  492.112536] Could not find netns with fd: 2000
[  492.112662] Cannot link a netdevsim to itself
[  492.112812] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).