[  479.509972] netdevsim netdevsim570 eni570np1: renamed from eth1
[  479.610084] netdevsim netdevsim510 eni510np1: renamed from eth0
[  479.970823] Could not find device with ifindex 2000 in netnsfd 11
[  479.970977] Could not find netns with fd: 2000
[  479.971070] Cannot link a netdevsim to itself
[  479.971184] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).