[  475.235066] netdevsim netdevsim305 eni305np1: renamed from eth0
[  475.235461] netdevsim netdevsim622 eni622np1: renamed from eth1
[  475.329492] Could not find device with ifindex 2000 in netnsfd 11
[  475.329574] Could not find netns with fd: 2000
[  475.329615] Cannot link a netdevsim to itself
[  475.329664] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).