[  509.963685] netdevsim netdevsim719 eni719np1: renamed from eth1
[  510.060595] netdevsim netdevsim326 eni326np1: renamed from eth0
[  510.263485] Could not find device with ifindex 2000 in netnsfd 11
[  510.263672] Could not find netns with fd: 2000
[  510.263754] Cannot link a netdevsim to itself
[  510.263862] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).