[  485.284367] netdevsim netdevsim403 eni403np1: renamed from eth0
[  485.384620] netdevsim netdevsim570 eni570np1: renamed from eth1
[  485.722992] Could not find device with ifindex 2000 in netnsfd 11
[  485.723146] Could not find netns with fd: 2000
[  485.723229] Cannot link a netdevsim to itself
[  485.723329] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).