[  514.649106] netdevsim netdevsim544 eni544np1: renamed from eth1
[  514.746365] netdevsim netdevsim433 eni433np1: renamed from eth0
[  514.983443] Could not find device with ifindex 2000 in netnsfd 11
[  514.983662] Could not find netns with fd: 2000
[  514.983738] Cannot link a netdevsim to itself
[  514.983829] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).