[  486.380346] netdevsim netdevsim283 eni283np1: renamed from eth0
[  486.481373] netdevsim netdevsim581 eni581np1: renamed from eth1
[  486.828455] Could not find device with ifindex 2000 in netnsfd 11
[  486.828597] Could not find netns with fd: 2000
[  486.828675] Cannot link a netdevsim to itself
[  486.828778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).