[ 1026.870185][T12476] netdevsim netdevsim664 eni664np1: renamed from eth1
[ 1026.991980][T12477] netdevsim netdevsim391 eni391np1: renamed from eth0
[ 1028.945417][T12469] Could not find device with ifindex 2000 in netnsfd 11
[ 1028.946453][T12469] Could not find netns with fd: 2000
[ 1028.947123][T12469] Cannot link a netdevsim to itself
[ 1028.947922][T12469] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).