[  486.334922] netdevsim netdevsim444 eni444np1: renamed from eth0
[  486.335347] netdevsim netdevsim710 eni710np1: renamed from eth1
[  486.436313] Could not find device with ifindex 2000 in netnsfd 11
[  486.436457] Could not find netns with fd: 2000
[  486.436575] Cannot link a netdevsim to itself
[  486.436706] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).