[  475.823664] netdevsim netdevsim311 eni311np1: renamed from eth0
[  475.823931] netdevsim netdevsim701 eni701np1: renamed from eth1
[  475.902271] Could not find device with ifindex 2000 in netnsfd 11
[  475.902354] Could not find netns with fd: 2000
[  475.902400] Cannot link a netdevsim to itself
[  475.902452] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).