[  523.219499] netdevsim netdevsim432 eni432np1: renamed from eth0
[  523.315265] netdevsim netdevsim556 eni556np1: renamed from eth1
[  523.596349] Could not find device with ifindex 2000 in netnsfd 11
[  523.596583] Could not find netns with fd: 2000
[  523.596683] Cannot link a netdevsim to itself
[  523.596806] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).