[  461.124881] netdevsim netdevsim703 eni703np1: renamed from eth1
[  461.128835] netdevsim netdevsim281 eni281np1: renamed from eth0
[  461.213442] Could not find device with ifindex 2000 in netnsfd 11
[  461.213562] Could not find netns with fd: 2000
[  461.213617] Cannot link a netdevsim to itself
[  461.213684] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).