[  477.258662] netdevsim netdevsim412 eni412np1: renamed from eth0
[  477.259141] netdevsim netdevsim575 eni575np1: renamed from eth1
[  477.353950] Could not find device with ifindex 2000 in netnsfd 11
[  477.354143] Could not find netns with fd: 2000
[  477.354308] Cannot link a netdevsim to itself
[  477.354463] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).