[ 1219.754081][T12783] netdevsim netdevsim384 eni384np1: renamed from eth0
[ 1219.831196][T12779] netdevsim netdevsim681 eni681np1: renamed from eth1
[ 1222.601585][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1222.602810][T12775] Could not find netns with fd: 2000
[ 1222.603724][T12775] Cannot link a netdevsim to itself
[ 1222.604866][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).