[ 1356.669432][T12786] netdevsim netdevsim638 eni638np1: renamed from eth1
[ 1356.760075][T12787] netdevsim netdevsim286 eni286np1: renamed from eth0
[ 1360.363908][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1360.365262][T12775] Could not find netns with fd: 2000
[ 1360.366238][T12775] Cannot link a netdevsim to itself
[ 1360.367428][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).