[  485.513431] netdevsim netdevsim495 eni495np1: renamed from eth0
[  485.613975] netdevsim netdevsim730 eni730np1: renamed from eth1
[  485.955659] Could not find device with ifindex 2000 in netnsfd 11
[  485.955831] Could not find netns with fd: 2000
[  485.955929] Cannot link a netdevsim to itself
[  485.956053] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).