[  526.750099] netdevsim netdevsim767 eni767np1: renamed from eth1
[  526.847680] netdevsim netdevsim501 eni501np1: renamed from eth0
[  527.118635] Could not find device with ifindex 2000 in netnsfd 11
[  527.118922] Could not find netns with fd: 2000
[  527.119042] Cannot link a netdevsim to itself
[  527.119218] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).