[  473.661433] netdevsim netdevsim314 eni314np1: renamed from eth0
[  473.662130] netdevsim netdevsim612 eni612np1: renamed from eth1
[  473.738731] Could not find device with ifindex 2000 in netnsfd 11
[  473.738863] Could not find netns with fd: 2000
[  473.738978] Cannot link a netdevsim to itself
[  473.739095] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).