[  485.070628] netdevsim netdevsim331 eni331np1: renamed from eth0
[  485.072130] netdevsim netdevsim756 eni756np1: renamed from eth1
[  485.410290] Could not find device with ifindex 2000 in netnsfd 11
[  485.410476] Could not find netns with fd: 2000
[  485.410579] Cannot link a netdevsim to itself
[  485.410707] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).