[  483.420658] netdevsim netdevsim727 eni727np1: renamed from eth1
[  483.521251] netdevsim netdevsim342 eni342np1: renamed from eth0
[  483.883475] Could not find device with ifindex 2000 in netnsfd 11
[  483.883645] Could not find netns with fd: 2000
[  483.883734] Cannot link a netdevsim to itself
[  483.883842] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).