[  763.297465][T14449] netdevsim netdevsim463 eni463np1: renamed from eth0
[  763.308091][T14451] netdevsim netdevsim709 eni709np1: renamed from eth1
[  764.000658][T14437] Could not find device with ifindex 2000 in netnsfd 11
[  764.001554][T14437] Could not find netns with fd: 2000
[  764.002244][T14437] Cannot link a netdevsim to itself
[  764.003560][T14437] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).