[  483.839023] netdevsim netdevsim407 eni407np1: renamed from eth0
[  483.940911] netdevsim netdevsim739 eni739np1: renamed from eth1
[  484.279640] Could not find device with ifindex 2000 in netnsfd 11
[  484.279817] Could not find netns with fd: 2000
[  484.279895] Cannot link a netdevsim to itself
[  484.279997] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).