[  474.908599] netdevsim netdevsim436 eni436np1: renamed from eth0
[  474.909342] netdevsim netdevsim766 eni766np1: renamed from eth1
[  474.987428] Could not find device with ifindex 2000 in netnsfd 11
[  474.987573] Could not find netns with fd: 2000
[  474.987683] Cannot link a netdevsim to itself
[  474.987810] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).