[  488.500985] netdevsim netdevsim372 eni372np1: renamed from eth0
[  488.597754] netdevsim netdevsim716 eni716np1: renamed from eth1
[  488.820774] Could not find device with ifindex 2000 in netnsfd 11
[  488.821045] Could not find netns with fd: 2000
[  488.821136] Cannot link a netdevsim to itself
[  488.821235] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).