[  476.592824] netdevsim netdevsim570 eni570np1: renamed from eth1
[  476.593413] netdevsim netdevsim471 eni471np1: renamed from eth0
[  476.680540] Could not find device with ifindex 2000 in netnsfd 11
[  476.680625] Could not find netns with fd: 2000
[  476.680671] Cannot link a netdevsim to itself
[  476.680724] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).