[  519.250843] netdevsim netdevsim678 eni678np1: renamed from eth1
[  519.348054] netdevsim netdevsim314 eni314np1: renamed from eth0
[  519.601640] Could not find device with ifindex 2000 in netnsfd 11
[  519.601879] Could not find netns with fd: 2000
[  519.601995] Cannot link a netdevsim to itself
[  519.602119] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).