[ 1233.439713][T11137] netdevsim netdevsim678 eni678np1: renamed from eth1
[ 1233.553526][T11136] netdevsim netdevsim323 eni323np1: renamed from eth0
[ 1236.790422][T11128] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.791185][T11128] Could not find netns with fd: 2000
[ 1236.791804][T11128] Cannot link a netdevsim to itself
[ 1236.792518][T11128] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).