[   17.036912][  T359] netdevsim netdevsim679 eni679np1: renamed from eth1
[   17.141921][  T408] netdevsim netdevsim493 eni493np1: renamed from eth0
[   19.007184][  T403] Could not find device with ifindex 2000 in netnsfd 11
[   19.008317][  T403] Could not find netns with fd: 2000
[   19.008990][  T403] Cannot link a netdevsim to itself
[   19.009851][  T403] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).