[  475.259019] netdevsim netdevsim333 eni333np1: renamed from eth0
[  475.259437] netdevsim netdevsim712 eni712np1: renamed from eth1
[  475.350153] Could not find device with ifindex 2000 in netnsfd 11
[  475.350307] Could not find netns with fd: 2000
[  475.350408] Cannot link a netdevsim to itself
[  475.350520] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).