[  514.490626] netdevsim netdevsim436 eni436np1: renamed from eth0
[  514.589030] netdevsim netdevsim724 eni724np1: renamed from eth1
[  514.781925] Could not find device with ifindex 2000 in netnsfd 11
[  514.782113] Could not find netns with fd: 2000
[  514.782210] Cannot link a netdevsim to itself
[  514.782331] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).