[  490.303358] netdevsim netdevsim544 eni544np1: renamed from eth1
[  490.400427] netdevsim netdevsim387 eni387np1: renamed from eth0
[  490.609722] Could not find device with ifindex 2000 in netnsfd 11
[  490.609985] Could not find netns with fd: 2000
[  490.610081] Cannot link a netdevsim to itself
[  490.610198] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).