[ 1033.782017][T12726] netdevsim netdevsim523 eni523np1: renamed from eth1
[ 1033.884431][T12677] netdevsim netdevsim467 eni467np1: renamed from eth0
[ 1035.738602][T12721] Could not find device with ifindex 2000 in netnsfd 11
[ 1035.739564][T12721] Could not find netns with fd: 2000
[ 1035.740207][T12721] Cannot link a netdevsim to itself
[ 1035.741001][T12721] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).