[ 1214.177130][T11136] netdevsim netdevsim647 eni647np1: renamed from eth1
[ 1214.206810][T11137] netdevsim netdevsim509 eni509np1: renamed from eth0
[ 1217.468795][T11129] Could not find device with ifindex 2000 in netnsfd 11
[ 1217.469545][T11129] Could not find netns with fd: 2000
[ 1217.479616][T11129] Cannot link a netdevsim to itself
[ 1217.480631][T11129] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).