[  477.827558] netdevsim netdevsim450 eni450np1: renamed from eth0
[  477.827880] netdevsim netdevsim653 eni653np1: renamed from eth1
[  477.925377] Could not find device with ifindex 2000 in netnsfd 11
[  477.925543] Could not find netns with fd: 2000
[  477.925648] Cannot link a netdevsim to itself
[  477.925763] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).