[  483.393281] netdevsim netdevsim447 eni447np1: renamed from eth0
[  483.495150] netdevsim netdevsim716 eni716np1: renamed from eth1
[  483.853007] Could not find device with ifindex 2000 in netnsfd 11
[  483.853191] Could not find netns with fd: 2000
[  483.853275] Cannot link a netdevsim to itself
[  483.853369] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).