[  515.625791] netdevsim netdevsim313 eni313np1: renamed from eth0
[  515.723536] netdevsim netdevsim735 eni735np1: renamed from eth1
[  515.945120] Could not find device with ifindex 2000 in netnsfd 11
[  515.945306] Could not find netns with fd: 2000
[  515.945382] Cannot link a netdevsim to itself
[  515.945473] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).