[  483.957768] netdevsim netdevsim480 eni480np1: renamed from eth0
[  484.059693] netdevsim netdevsim526 eni526np1: renamed from eth1
[  484.404870] Could not find device with ifindex 2000 in netnsfd 11
[  484.405041] Could not find netns with fd: 2000
[  484.405128] Cannot link a netdevsim to itself
[  484.405220] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).