[  490.924922] netdevsim netdevsim265 eni265np1: renamed from eth0
[  491.026809] netdevsim netdevsim615 eni615np1: renamed from eth1
[  491.369718] Could not find device with ifindex 2000 in netnsfd 11
[  491.369899] Could not find netns with fd: 2000
[  491.370001] Cannot link a netdevsim to itself
[  491.370133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).