[ 1236.369713][T12785] netdevsim netdevsim572 eni572np1: renamed from eth1
[ 1236.480358][T12784] netdevsim netdevsim388 eni388np1: renamed from eth0
[ 1239.232712][T12772] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.233950][T12772] Could not find netns with fd: 2000
[ 1239.234850][T12772] Cannot link a netdevsim to itself
[ 1239.235960][T12772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).