[  485.909372] netdevsim netdevsim486 eni486np1: renamed from eth0
[  485.909598] netdevsim netdevsim717 eni717np1: renamed from eth1
[  486.008539] Could not find device with ifindex 2000 in netnsfd 11
[  486.008634] Could not find netns with fd: 2000
[  486.008679] Cannot link a netdevsim to itself
[  486.008728] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).