[  483.084449] netdevsim netdevsim511 eni511np1: renamed from eth0
[  483.085073] netdevsim netdevsim759 eni759np1: renamed from eth1
[  483.168941] Could not find device with ifindex 2000 in netnsfd 11
[  483.169083] Could not find netns with fd: 2000
[  483.169196] Cannot link a netdevsim to itself
[  483.169313] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).