[  754.788097][T14548] netdevsim netdevsim471 eni471np1: renamed from eth0
[  754.797320][T14550] netdevsim netdevsim553 eni553np1: renamed from eth1
[  755.371122][T14536] Could not find device with ifindex 2000 in netnsfd 11
[  755.371696][T14536] Could not find netns with fd: 2000
[  755.372137][T14536] Cannot link a netdevsim to itself
[  755.372762][T14536] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).