[  522.047389] netdevsim netdevsim328 eni328np1: renamed from eth0
[  522.145185] netdevsim netdevsim700 eni700np1: renamed from eth1
[  522.388287] Could not find device with ifindex 2000 in netnsfd 11
[  522.388477] Could not find netns with fd: 2000
[  522.388566] Cannot link a netdevsim to itself
[  522.388685] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).