[  476.160902] netdevsim netdevsim336 eni336np1: renamed from eth0
[  476.161782] netdevsim netdevsim578 eni578np1: renamed from eth1
[  476.267391] Could not find device with ifindex 2000 in netnsfd 11
[  476.267578] Could not find netns with fd: 2000
[  476.267717] Cannot link a netdevsim to itself
[  476.267872] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).