[  510.905565] netdevsim netdevsim467 eni467np1: renamed from eth0
[  511.002374] netdevsim netdevsim653 eni653np1: renamed from eth1
[  511.253512] Could not find device with ifindex 2000 in netnsfd 11
[  511.253758] Could not find netns with fd: 2000
[  511.253855] Cannot link a netdevsim to itself
[  511.253963] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).