[  954.688054][T12477] netdevsim netdevsim489 eni489np1: renamed from eth0
[  954.787648][T12492] netdevsim netdevsim647 eni647np1: renamed from eth1
[  956.364258][T12572] Could not find device with ifindex 2000 in netnsfd 11
[  956.365043][T12572] Could not find netns with fd: 2000
[  956.365616][T12572] Cannot link a netdevsim to itself
[  956.366293][T12572] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).