[  475.286483] netdevsim netdevsim279 eni279np1: renamed from eth0
[  475.287536] netdevsim netdevsim683 eni683np1: renamed from eth0
[  475.379588] Could not find device with ifindex 2000 in netnsfd 11
[  475.379699] Could not find netns with fd: 2000
[  475.379753] Cannot link a netdevsim to itself
[  475.379817] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).