[ 1278.686404][T12863] netdevsim netdevsim580 eni580np1: renamed from eth1
[ 1278.805782][T12865] netdevsim netdevsim436 eni436np1: renamed from eth0
[ 1281.564874][T12853] Could not find device with ifindex 2000 in netnsfd 11
[ 1281.566025][T12853] Could not find netns with fd: 2000
[ 1281.566932][T12853] Cannot link a netdevsim to itself
[ 1281.568055][T12853] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).