[  485.437287] netdevsim netdevsim492 eni492np1: renamed from eth0
[  485.538571] netdevsim netdevsim753 eni753np1: renamed from eth1
[  485.915327] Could not find device with ifindex 2000 in netnsfd 11
[  485.915484] Could not find netns with fd: 2000
[  485.915570] Cannot link a netdevsim to itself
[  485.915673] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).