[ 1033.421798][ T8142] netdevsim netdevsim515 eni515np1: renamed from eth1
[ 1033.492862][ T8145] netdevsim netdevsim407 eni407np1: renamed from eth0
[ 1036.747762][ T8136] Could not find device with ifindex 2000 in netnsfd 11
[ 1036.748526][ T8136] Could not find netns with fd: 2000
[ 1036.749222][ T8136] Cannot link a netdevsim to itself
[ 1036.749910][ T8136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).