[  808.303995][T14567] netdevsim netdevsim263 eni263np1: renamed from eth0
[  808.318805][T14569] netdevsim netdevsim630 eni630np1: renamed from eth1
[  808.899742][T14555] Could not find device with ifindex 2000 in netnsfd 11
[  808.900271][T14555] Could not find netns with fd: 2000
[  808.900675][T14555] Cannot link a netdevsim to itself
[  808.901135][T14555] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).