[  881.602699][T14829] netdevsim netdevsim488 eni488np1: renamed from eth0
[  881.638402][T14831] netdevsim netdevsim719 eni719np1: renamed from eth1
[  882.243708][T14817] Could not find device with ifindex 2000 in netnsfd 11
[  882.249276][T14817] Could not find netns with fd: 2000
[  882.249665][T14817] Cannot link a netdevsim to itself
[  882.250127][T14817] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).