[  487.737142] netdevsim netdevsim314 eni314np1: renamed from eth0
[  487.738422] netdevsim netdevsim607 eni607np1: renamed from eth1
[  488.104742] Could not find device with ifindex 2000 in netnsfd 11
[  488.104950] Could not find netns with fd: 2000
[  488.105064] Cannot link a netdevsim to itself
[  488.105222] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).