[  488.878547] netdevsim netdevsim394 eni394np1: renamed from eth0
[  488.976125] netdevsim netdevsim617 eni617np1: renamed from eth1
[  489.195471] Could not find device with ifindex 2000 in netnsfd 11
[  489.195642] Could not find netns with fd: 2000
[  489.195718] Cannot link a netdevsim to itself
[  489.195805] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).