[  488.302890] netdevsim netdevsim388 eni388np1: renamed from eth0
[  488.303431] netdevsim netdevsim658 eni658np1: renamed from eth1
[  488.388965] Could not find device with ifindex 2000 in netnsfd 11
[  488.389122] Could not find netns with fd: 2000
[  488.389221] Cannot link a netdevsim to itself
[  488.389341] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).