[  511.578701] netdevsim netdevsim543 eni543np1: renamed from eth1
[  511.674630] netdevsim netdevsim430 eni430np1: renamed from eth0
[  511.914930] Could not find device with ifindex 2000 in netnsfd 11
[  511.915172] Could not find netns with fd: 2000
[  511.915269] Cannot link a netdevsim to itself
[  511.915407] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).