[  487.502972] netdevsim netdevsim508 eni508np1: renamed from eth0
[  487.600572] netdevsim netdevsim570 eni570np1: renamed from eth1
[  487.830537] Could not find device with ifindex 2000 in netnsfd 11
[  487.830739] Could not find netns with fd: 2000
[  487.830832] Cannot link a netdevsim to itself
[  487.830964] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).