[ 1266.500336][T12754] netdevsim netdevsim656 eni656np1: renamed from eth1
[ 1266.580213][T12756] netdevsim netdevsim308 eni308np1: renamed from eth0
[ 1269.257586][T12743] Could not find device with ifindex 2000 in netnsfd 11
[ 1269.259307][T12743] Could not find netns with fd: 2000
[ 1269.260939][T12743] Cannot link a netdevsim to itself
[ 1269.262811][T12743] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).