[ 1232.355597][T11142] netdevsim netdevsim680 eni680np1: renamed from eth1
[ 1232.376801][T11143] netdevsim netdevsim323 eni323np1: renamed from eth0
[ 1235.610324][T11135] Could not find device with ifindex 2000 in netnsfd 11
[ 1235.611062][T11135] Could not find netns with fd: 2000
[ 1235.611656][T11135] Cannot link a netdevsim to itself
[ 1235.612330][T11135] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).