[  483.478704] netdevsim netdevsim417 eni417np1: renamed from eth0
[  483.479178] netdevsim netdevsim727 eni727np1: renamed from eth1
[  483.568662] Could not find device with ifindex 2000 in netnsfd 11
[  483.568811] Could not find netns with fd: 2000
[  483.568921] Cannot link a netdevsim to itself
[  483.569067] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).