[  724.883145][T13055] netdevsim netdevsim464 eni464np1: renamed from eth0
[  724.906705][T13057] netdevsim netdevsim615 eni615np1: renamed from eth1
[  725.682311][T13043] Could not find device with ifindex 2000 in netnsfd 11
[  725.683332][T13043] Could not find netns with fd: 2000
[  725.683863][T13043] Cannot link a netdevsim to itself
[  725.684449][T13043] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).