[  833.268981][T15664] netdevsim netdevsim473 eni473np1: renamed from eth0
[  833.287191][T15663] netdevsim netdevsim646 eni646np1: renamed from eth1
[  833.994673][T15652] Could not find device with ifindex 2000 in netnsfd 11
[  833.995536][T15652] Could not find netns with fd: 2000
[  833.996511][T15652] Cannot link a netdevsim to itself
[  833.997292][T15652] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).