[  476.162482] netdevsim netdevsim312 eni312np1: renamed from eth0
[  476.162875] netdevsim netdevsim677 eni677np1: renamed from eth1
[  476.251521] Could not find device with ifindex 2000 in netnsfd 11
[  476.251644] Could not find netns with fd: 2000
[  476.251744] Cannot link a netdevsim to itself
[  476.251865] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).