[  769.379544][T14760] netdevsim netdevsim451 eni451np1: renamed from eth0
[  769.407287][T14762] netdevsim netdevsim678 eni678np1: renamed from eth1
[  769.996777][T14748] Could not find device with ifindex 2000 in netnsfd 11
[  769.997330][T14748] Could not find netns with fd: 2000
[  769.998082][T14748] Cannot link a netdevsim to itself
[  769.998516][T14748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).