[  796.050151][T14584] netdevsim netdevsim311 eni311np1: renamed from eth0
[  796.079902][T14587] netdevsim netdevsim657 eni657np1: renamed from eth1
[  796.780551][T14572] Could not find device with ifindex 2000 in netnsfd 11
[  796.781416][T14572] Could not find netns with fd: 2000
[  796.781916][T14572] Cannot link a netdevsim to itself
[  796.782463][T14572] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).