[  485.794089] netdevsim netdevsim419 eni419np1: renamed from eth0
[  485.794475] netdevsim netdevsim708 eni708np1: renamed from eth1
[  485.887614] Could not find device with ifindex 2000 in netnsfd 11
[  485.887722] Could not find netns with fd: 2000
[  485.887761] Cannot link a netdevsim to itself
[  485.887800] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).