[  513.949011] netdevsim netdevsim324 eni324np1: renamed from eth0
[  514.046392] netdevsim netdevsim707 eni707np1: renamed from eth1
[  514.245199] Could not find device with ifindex 2000 in netnsfd 11
[  514.245391] Could not find netns with fd: 2000
[  514.245482] Cannot link a netdevsim to itself
[  514.245610] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).