[  516.956638] netdevsim netdevsim478 eni478np1: renamed from eth0
[  517.053726] netdevsim netdevsim599 eni599np1: renamed from eth1
[  517.261619] Could not find device with ifindex 2000 in netnsfd 11
[  517.261822] Could not find netns with fd: 2000
[  517.261909] Cannot link a netdevsim to itself
[  517.262016] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).