[ 1030.601848][T12596] netdevsim netdevsim322 eni322np1: renamed from eth0
[ 1030.730939][T12594] netdevsim netdevsim560 eni560np1: renamed from eth1
[ 1032.529246][T12588] Could not find device with ifindex 2000 in netnsfd 11
[ 1032.530173][T12588] Could not find netns with fd: 2000
[ 1032.530811][T12588] Cannot link a netdevsim to itself
[ 1032.531555][T12588] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).