[  490.033940] netdevsim netdevsim419 eni419np1: renamed from eth0
[  490.034373] netdevsim netdevsim627 eni627np1: renamed from eth1
[  490.129882] Could not find device with ifindex 2000 in netnsfd 11
[  490.129995] Could not find netns with fd: 2000
[  490.130043] Cannot link a netdevsim to itself
[  490.130096] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).