[  457.211572] netdevsim netdevsim322 eni322np1: renamed from eth0
[  457.211888] netdevsim netdevsim561 eni561np1: renamed from eth1
[  457.307970] Could not find device with ifindex 2000 in netnsfd 11
[  457.308090] Could not find netns with fd: 2000
[  457.308145] Cannot link a netdevsim to itself
[  457.308200] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).