[  485.681290] netdevsim netdevsim363 eni363np1: renamed from eth0
[  485.782227] netdevsim netdevsim513 eni513np1: renamed from eth1
[  486.132736] Could not find device with ifindex 2000 in netnsfd 11
[  486.132911] Could not find netns with fd: 2000
[  486.133002] Cannot link a netdevsim to itself
[  486.133120] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).