[  491.800665] netdevsim netdevsim319 eni319np1: renamed from eth0
[  491.901837] netdevsim netdevsim654 eni654np1: renamed from eth1
[  492.270590] Could not find device with ifindex 2000 in netnsfd 11
[  492.270739] Could not find netns with fd: 2000
[  492.270819] Cannot link a netdevsim to itself
[  492.270933] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).