[ 1042.727649][T12480] netdevsim netdevsim303 eni303np1: renamed from eth0
[ 1042.832324][T12479] netdevsim netdevsim650 eni650np1: renamed from eth1
[ 1044.710021][T12472] Could not find device with ifindex 2000 in netnsfd 11
[ 1044.710965][T12472] Could not find netns with fd: 2000
[ 1044.711637][T12472] Cannot link a netdevsim to itself
[ 1044.712425][T12472] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).