[  483.847584] netdevsim netdevsim653 eni653np1: renamed from eth1
[  483.949163] netdevsim netdevsim296 eni296np1: renamed from eth0
[  484.337703] Could not find device with ifindex 2000 in netnsfd 11
[  484.337867] Could not find netns with fd: 2000
[  484.337968] Cannot link a netdevsim to itself
[  484.338094] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).