[  755.768432][T14449] netdevsim netdevsim391 eni391np1: renamed from eth0
[  755.789540][T14451] netdevsim netdevsim744 eni744np1: renamed from eth1
[  756.585192][T14437] Could not find device with ifindex 2000 in netnsfd 11
[  756.585761][T14437] Could not find netns with fd: 2000
[  756.586162][T14437] Cannot link a netdevsim to itself
[  756.586825][T14437] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).