[  525.742687] netdevsim netdevsim665 eni665np1: renamed from eth1
[  525.840814] netdevsim netdevsim428 eni428np1: renamed from eth0
[  526.092499] Could not find device with ifindex 2000 in netnsfd 11
[  526.092696] Could not find netns with fd: 2000
[  526.092791] Cannot link a netdevsim to itself
[  526.092906] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).