[  953.876959][T12574] netdevsim netdevsim686 eni686np1: renamed from eth1
[  953.999110][T12576] netdevsim netdevsim378 eni378np1: renamed from eth0
[  955.774123][T12568] Could not find device with ifindex 2000 in netnsfd 11
[  955.775442][T12568] Could not find netns with fd: 2000
[  955.776316][T12568] Cannot link a netdevsim to itself
[  955.777357][T12568] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).