[  477.800665] netdevsim netdevsim460 eni460np1: renamed from eth0
[  477.801651] netdevsim netdevsim575 eni575np1: renamed from eth0
[  477.911694] Could not find device with ifindex 2000 in netnsfd 11
[  477.911793] Could not find netns with fd: 2000
[  477.911839] Cannot link a netdevsim to itself
[  477.911889] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).