[  485.346739] netdevsim netdevsim348 eni348np1: renamed from eth0
[  485.347608] netdevsim netdevsim647 eni647np1: renamed from eth1
[  485.734785] Could not find device with ifindex 2000 in netnsfd 11
[  485.734940] Could not find netns with fd: 2000
[  485.735021] Cannot link a netdevsim to itself
[  485.735117] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).