[  946.193266][T12576] netdevsim netdevsim553 eni553np1: renamed from eth1
[  946.311123][T12579] netdevsim netdevsim290 eni290np1: renamed from eth0
[  947.899118][T12571] Could not find device with ifindex 2000 in netnsfd 11
[  947.899912][T12571] Could not find netns with fd: 2000
[  947.900481][T12571] Cannot link a netdevsim to itself
[  947.901101][T12571] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).