[ 1022.436164][T12068] netdevsim netdevsim300 eni300np1: renamed from eth0
[ 1022.541785][T12069] netdevsim netdevsim732 eni732np1: renamed from eth1
[ 1024.469577][T12552] Could not find device with ifindex 2000 in netnsfd 11
[ 1024.470510][T12552] Could not find netns with fd: 2000
[ 1024.471170][T12552] Cannot link a netdevsim to itself
[ 1024.471966][T12552] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).