[ 1278.668103][T13034] netdevsim netdevsim309 eni309np1: renamed from eth0
[ 1278.771927][T13031] netdevsim netdevsim609 eni609np1: renamed from eth1
[ 1281.202223][T13021] Could not find device with ifindex 2000 in netnsfd 11
[ 1281.214007][T13021] Could not find netns with fd: 2000
[ 1281.215272][T13021] Cannot link a netdevsim to itself
[ 1281.216406][T13021] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).