[  484.657586] netdevsim netdevsim288 eni288np1: renamed from eth0
[  484.657993] netdevsim netdevsim687 eni687np1: renamed from eth1
[  484.758500] Could not find device with ifindex 2000 in netnsfd 11
[  484.758654] Could not find netns with fd: 2000
[  484.758783] Cannot link a netdevsim to itself
[  484.758937] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).