[  796.106055][T14567] netdevsim netdevsim263 eni263np1: renamed from eth0
[  796.130160][T14569] netdevsim netdevsim601 eni601np1: renamed from eth1
[  796.703376][T14555] Could not find device with ifindex 2000 in netnsfd 11
[  796.704372][T14555] Could not find netns with fd: 2000
[  796.704875][T14555] Cannot link a netdevsim to itself
[  796.705400][T14555] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).