[  951.179977][T12493] netdevsim netdevsim423 eni423np1: renamed from eth0
[  951.284488][T12491] netdevsim netdevsim607 eni607np1: renamed from eth1
[  953.027865][T12485] Could not find device with ifindex 2000 in netnsfd 11
[  953.028965][T12485] Could not find netns with fd: 2000
[  953.029560][T12485] Cannot link a netdevsim to itself
[  953.030218][T12485] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).