[  487.856531] netdevsim netdevsim266 eni266np1: renamed from eth0
[  487.953191] netdevsim netdevsim679 eni679np1: renamed from eth1
[  488.154606] Could not find device with ifindex 2000 in netnsfd 11
[  488.154914] Could not find netns with fd: 2000
[  488.154988] Cannot link a netdevsim to itself
[  488.155084] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).