[ 1340.956842][T12784] netdevsim netdevsim556 eni556np1: renamed from eth1
[ 1341.091076][T12786] netdevsim netdevsim264 eni264np1: renamed from eth0
[ 1343.700534][T12774] Could not find device with ifindex 2000 in netnsfd 11
[ 1343.701743][T12774] Could not find netns with fd: 2000
[ 1343.702670][T12774] Cannot link a netdevsim to itself
[ 1343.703795][T12774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).