[  479.944146] netdevsim netdevsim324 eni324np1: renamed from eth0
[  480.045805] netdevsim netdevsim681 eni681np1: renamed from eth1
[  480.353126] Could not find device with ifindex 2000 in netnsfd 11
[  480.353264] Could not find netns with fd: 2000
[  480.353335] Cannot link a netdevsim to itself
[  480.353421] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).