[  522.020942] netdevsim netdevsim264 eni264np1: renamed from eth0
[  522.117932] netdevsim netdevsim615 eni615np1: renamed from eth1
[  522.403459] Could not find device with ifindex 2000 in netnsfd 11
[  522.403673] Could not find netns with fd: 2000
[  522.403781] Cannot link a netdevsim to itself
[  522.403907] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).