[  476.075242] netdevsim netdevsim591 eni591np1: renamed from eth1
[  476.077739] netdevsim netdevsim505 eni505np1: renamed from eth0
[  476.170922] Could not find device with ifindex 2000 in netnsfd 11
[  476.171062] Could not find netns with fd: 2000
[  476.171171] Cannot link a netdevsim to itself
[  476.171293] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).