[  520.492571] netdevsim netdevsim467 eni467np1: renamed from eth0
[  520.589741] netdevsim netdevsim679 eni679np1: renamed from eth1
[  520.837159] Could not find device with ifindex 2000 in netnsfd 11
[  520.837357] Could not find netns with fd: 2000
[  520.837449] Cannot link a netdevsim to itself
[  520.837561] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).