[ 1219.627207][T13273] netdevsim netdevsim665 eni665np1: renamed from eth1
[ 1219.748019][T13272] netdevsim netdevsim419 eni419np1: renamed from eth0
[ 1222.117933][T13264] Could not find device with ifindex 2000 in netnsfd 11
[ 1222.119168][T13264] Could not find netns with fd: 2000
[ 1222.128674][T13264] Cannot link a netdevsim to itself
[ 1222.129856][T13264] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).