[ 1016.073371][T12069] netdevsim netdevsim449 eni449np1: renamed from eth0
[ 1016.190773][T12131] netdevsim netdevsim741 eni741np1: renamed from eth1
[ 1017.942658][T12554] Could not find device with ifindex 2000 in netnsfd 11
[ 1017.943761][T12554] Could not find netns with fd: 2000
[ 1017.944435][T12554] Cannot link a netdevsim to itself
[ 1017.945191][T12554] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).