[  509.805938] netdevsim netdevsim716 eni716np1: renamed from eth1
[  509.902790] netdevsim netdevsim284 eni284np1: renamed from eth0
[  510.108639] Could not find device with ifindex 2000 in netnsfd 11
[  510.108788] Could not find netns with fd: 2000
[  510.108860] Cannot link a netdevsim to itself
[  510.108946] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).