[  522.339673] netdevsim netdevsim741 eni741np1: renamed from eth1
[  522.436762] netdevsim netdevsim466 eni466np1: renamed from eth0
[  522.675909] Could not find device with ifindex 2000 in netnsfd 11
[  522.676133] Could not find netns with fd: 2000
[  522.676243] Cannot link a netdevsim to itself
[  522.676354] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).