[  514.418177] netdevsim netdevsim388 eni388np1: renamed from eth0
[  514.516452] netdevsim netdevsim585 eni585np1: renamed from eth1
[  514.758755] Could not find device with ifindex 2000 in netnsfd 11
[  514.759002] Could not find netns with fd: 2000
[  514.759111] Cannot link a netdevsim to itself
[  514.759239] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).