[  515.413623] netdevsim netdevsim288 eni288np1: renamed from eth0
[  515.510737] netdevsim netdevsim520 eni520np1: renamed from eth1
[  515.753577] Could not find device with ifindex 2000 in netnsfd 11
[  515.753740] Could not find netns with fd: 2000
[  515.753813] Cannot link a netdevsim to itself
[  515.753899] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).