[  755.215857][T14630] netdevsim netdevsim387 eni387np1: renamed from eth0
[  755.236572][T14629] netdevsim netdevsim673 eni673np1: renamed from eth1
[  755.843216][T14618] Could not find device with ifindex 2000 in netnsfd 11
[  755.843758][T14618] Could not find netns with fd: 2000
[  755.844169][T14618] Cannot link a netdevsim to itself
[  755.844619][T14618] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).