[  725.955679][T13049] netdevsim netdevsim377 eni377np1: renamed from eth0
[  725.975507][T13051] netdevsim netdevsim513 eni513np1: renamed from eth1
[  726.572103][T13037] Could not find device with ifindex 2000 in netnsfd 11
[  726.572992][T13037] Could not find netns with fd: 2000
[  726.573513][T13037] Cannot link a netdevsim to itself
[  726.574056][T13037] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).