[  526.334917] netdevsim netdevsim746 eni746np1: renamed from eth1
[  526.432118] netdevsim netdevsim410 eni410np1: renamed from eth0
[  526.670587] Could not find device with ifindex 2000 in netnsfd 11
[  526.670762] Could not find netns with fd: 2000
[  526.670850] Cannot link a netdevsim to itself
[  526.670951] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).