[  755.270761][T13082] netdevsim netdevsim313 eni313np1: renamed from eth0
[  755.294402][T13084] netdevsim netdevsim549 eni549np1: renamed from eth1
[  756.067840][T13070] Could not find device with ifindex 2000 in netnsfd 11
[  756.068715][T13070] Could not find netns with fd: 2000
[  756.069140][T13070] Cannot link a netdevsim to itself
[  756.069615][T13070] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).