[  492.897433] netdevsim netdevsim296 eni296np1: renamed from eth0
[  492.993995] netdevsim netdevsim572 eni572np1: renamed from eth1
[  493.206505] Could not find device with ifindex 2000 in netnsfd 11
[  493.206798] Could not find netns with fd: 2000
[  493.206868] Cannot link a netdevsim to itself
[  493.206954] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).