[  946.047983][T12583] netdevsim netdevsim277 eni277np1: renamed from eth0
[  946.050422][T12582] netdevsim netdevsim685 eni685np1: renamed from eth1
[  947.552264][T12744] Could not find device with ifindex 2000 in netnsfd 11
[  947.553231][T12744] Could not find netns with fd: 2000
[  947.553770][T12744] Cannot link a netdevsim to itself
[  947.554429][T12744] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).