[  495.002024] netdevsim netdevsim529 eni529np1: renamed from eth1
[  495.098125] netdevsim netdevsim408 eni408np1: renamed from eth0
[  495.334149] Could not find device with ifindex 2000 in netnsfd 11
[  495.334508] Could not find netns with fd: 2000
[  495.334600] Cannot link a netdevsim to itself
[  495.334718] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).