[  483.410869] netdevsim netdevsim481 eni481np1: renamed from eth0
[  483.412017] netdevsim netdevsim650 eni650np1: renamed from eth0
[  483.497653] Could not find device with ifindex 2000 in netnsfd 11
[  483.497798] Could not find netns with fd: 2000
[  483.497901] Cannot link a netdevsim to itself
[  483.498017] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).