[ 1211.837829][T12672] netdevsim netdevsim438 eni438np1: renamed from eth0
[ 1211.926252][T12674] netdevsim netdevsim715 eni715np1: renamed from eth1
[ 1214.545819][T12666] Could not find device with ifindex 2000 in netnsfd 11
[ 1214.547023][T12666] Could not find netns with fd: 2000
[ 1214.548095][T12666] Cannot link a netdevsim to itself
[ 1214.549235][T12666] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).