[  851.003579][T15846] netdevsim netdevsim547 eni547np1: renamed from eth1
[  851.015733][T15845] netdevsim netdevsim296 eni296np1: renamed from eth0
[  851.784509][T15832] Could not find device with ifindex 2000 in netnsfd 11
[  851.785213][T15832] Could not find netns with fd: 2000
[  851.785715][T15832] Cannot link a netdevsim to itself
[  851.786294][T15832] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).