[  484.531529] netdevsim netdevsim355 eni355np1: renamed from eth0
[  484.632516] netdevsim netdevsim693 eni693np1: renamed from eth1
[  485.012797] Could not find device with ifindex 2000 in netnsfd 11
[  485.012945] Could not find netns with fd: 2000
[  485.013028] Cannot link a netdevsim to itself
[  485.013124] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).