[  493.701676] netdevsim netdevsim402 eni402np1: renamed from eth0
[  493.797515] netdevsim netdevsim594 eni594np1: renamed from eth1
[  494.038709] Could not find device with ifindex 2000 in netnsfd 11
[  494.039041] Could not find netns with fd: 2000
[  494.039111] Cannot link a netdevsim to itself
[  494.039208] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).