[  478.644396] netdevsim netdevsim384 eni384np1: renamed from eth0
[  478.645466] netdevsim netdevsim553 eni553np1: renamed from eth1
[  478.738309] Could not find device with ifindex 2000 in netnsfd 11
[  478.738428] Could not find netns with fd: 2000
[  478.738477] Cannot link a netdevsim to itself
[  478.738537] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).