[  514.175923] netdevsim netdevsim709 eni709np1: renamed from eth1
[  514.272631] netdevsim netdevsim372 eni372np1: renamed from eth0
[  514.494279] Could not find device with ifindex 2000 in netnsfd 11
[  514.494452] Could not find netns with fd: 2000
[  514.494536] Cannot link a netdevsim to itself
[  514.494631] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).