[  486.520003] netdevsim netdevsim719 eni719np1: renamed from eth1
[  486.616850] netdevsim netdevsim379 eni379np1: renamed from eth0
[  486.819573] Could not find device with ifindex 2000 in netnsfd 11
[  486.819869] Could not find netns with fd: 2000
[  486.819996] Cannot link a netdevsim to itself
[  486.820104] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).