[  481.982769] netdevsim netdevsim378 eni378np1: renamed from eth0
[  482.084361] netdevsim netdevsim697 eni697np1: renamed from eth1
[  482.432369] Could not find device with ifindex 2000 in netnsfd 11
[  482.432536] Could not find netns with fd: 2000
[  482.432638] Cannot link a netdevsim to itself
[  482.432746] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).