[  583.092264] netdevsim netdevsim698 eni698np1: renamed from eth1
[  583.190078] netdevsim netdevsim310 eni310np1: renamed from eth0
[  583.438345] Could not find device with ifindex 2000 in netnsfd 11
[  583.438509] Could not find netns with fd: 2000
[  583.438601] Cannot link a netdevsim to itself
[  583.438731] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).