[  472.642076] netdevsim netdevsim692 eni692np1: renamed from eth1
[  472.644593] netdevsim netdevsim373 eni373np1: renamed from eth0
[  472.729944] Could not find device with ifindex 2000 in netnsfd 11
[  472.730095] Could not find netns with fd: 2000
[  472.730198] Cannot link a netdevsim to itself
[  472.730296] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).