[  513.864237] netdevsim netdevsim754 eni754np1: renamed from eth1
[  513.962181] netdevsim netdevsim314 eni314np1: renamed from eth0
[  514.170683] Could not find device with ifindex 2000 in netnsfd 11
[  514.170848] Could not find netns with fd: 2000
[  514.170919] Cannot link a netdevsim to itself
[  514.171019] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).