[ 1040.762078][T12758] netdevsim netdevsim457 eni457np1: renamed from eth0
[ 1040.852923][T12757] netdevsim netdevsim563 eni563np1: renamed from eth1
[ 1042.800919][T12750] Could not find device with ifindex 2000 in netnsfd 11
[ 1042.801957][T12750] Could not find netns with fd: 2000
[ 1042.802719][T12750] Cannot link a netdevsim to itself
[ 1042.803638][T12750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).