[  482.550106] netdevsim netdevsim344 eni344np1: renamed from eth0
[  482.652828] netdevsim netdevsim678 eni678np1: renamed from eth1
[  483.055873] Could not find device with ifindex 2000 in netnsfd 11
[  483.056052] Could not find netns with fd: 2000
[  483.056153] Cannot link a netdevsim to itself
[  483.056292] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).