[  488.829287] netdevsim netdevsim354 eni354np1: renamed from eth0
[  488.931354] netdevsim netdevsim756 eni756np1: renamed from eth1
[  489.295563] Could not find device with ifindex 2000 in netnsfd 11
[  489.295735] Could not find netns with fd: 2000
[  489.295863] Cannot link a netdevsim to itself
[  489.295970] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).