[  483.926679] netdevsim netdevsim490 eni490np1: renamed from eth0
[  484.028410] netdevsim netdevsim628 eni628np1: renamed from eth1
[  484.391757] Could not find device with ifindex 2000 in netnsfd 11
[  484.391907] Could not find netns with fd: 2000
[  484.391996] Cannot link a netdevsim to itself
[  484.392100] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).