[  486.795093] netdevsim netdevsim478 eni478np1: renamed from eth0
[  486.891462] netdevsim netdevsim591 eni591np1: renamed from eth1
[  487.122124] Could not find device with ifindex 2000 in netnsfd 11
[  487.122511] Could not find netns with fd: 2000
[  487.122624] Cannot link a netdevsim to itself
[  487.122754] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).