[ 1038.002482][T12592] netdevsim netdevsim313 eni313np1: renamed from eth0
[ 1038.131889][T12591] netdevsim netdevsim670 eni670np1: renamed from eth1
[ 1040.183105][T12584] Could not find device with ifindex 2000 in netnsfd 11
[ 1040.184489][T12584] Could not find netns with fd: 2000
[ 1040.185600][T12584] Cannot link a netdevsim to itself
[ 1040.186789][T12584] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).