[  525.771755] netdevsim netdevsim719 eni719np1: renamed from eth1
[  525.868528] netdevsim netdevsim470 eni470np1: renamed from eth0
[  526.082289] Could not find device with ifindex 2000 in netnsfd 11
[  526.082479] Could not find netns with fd: 2000
[  526.082578] Cannot link a netdevsim to itself
[  526.082676] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).