[  484.899607] netdevsim netdevsim719 eni719np1: renamed from eth1
[  485.001380] netdevsim netdevsim384 eni384np1: renamed from eth0
[  485.334130] Could not find device with ifindex 2000 in netnsfd 11
[  485.334277] Could not find netns with fd: 2000
[  485.334346] Cannot link a netdevsim to itself
[  485.334433] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).