[  497.324145] netdevsim netdevsim724 eni724np1: renamed from eth1
[  497.420136] netdevsim netdevsim350 eni350np1: renamed from eth0
[  497.701717] Could not find device with ifindex 2000 in netnsfd 11
[  497.702133] Could not find netns with fd: 2000
[  497.702246] Cannot link a netdevsim to itself
[  497.702380] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).