[  756.159789][T14737] netdevsim netdevsim287 eni287np1: renamed from eth0
[  756.187805][T14739] netdevsim netdevsim645 eni645np1: renamed from eth1
[  756.714369][T14725] Could not find device with ifindex 2000 in netnsfd 11
[  756.714905][T14725] Could not find netns with fd: 2000
[  756.715284][T14725] Cannot link a netdevsim to itself
[  756.715729][T14725] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).