[  949.520641][T12146] netdevsim netdevsim767 eni767np1: renamed from eth1
[  949.615291][T12154] netdevsim netdevsim315 eni315np1: renamed from eth0
[  951.188426][T12578] Could not find device with ifindex 2000 in netnsfd 11
[  951.189374][T12578] Could not find netns with fd: 2000
[  951.189979][T12578] Cannot link a netdevsim to itself
[  951.190656][T12578] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).