[  485.515769] netdevsim netdevsim682 eni682np1: renamed from eth1
[  485.611664] netdevsim netdevsim303 eni303np1: renamed from eth0
[  485.822457] Could not find device with ifindex 2000 in netnsfd 11
[  485.822772] Could not find netns with fd: 2000
[  485.822842] Cannot link a netdevsim to itself
[  485.822945] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).