[  486.321548] netdevsim netdevsim467 eni467np1: renamed from eth0
[  486.322391] netdevsim netdevsim724 eni724np1: renamed from eth1
[  486.407578] Could not find device with ifindex 2000 in netnsfd 11
[  486.407674] Could not find netns with fd: 2000
[  486.407729] Cannot link a netdevsim to itself
[  486.407793] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).