[ 1047.772966][T12758] netdevsim netdevsim510 eni510np1: renamed from eth0
[ 1047.872783][T12757] netdevsim netdevsim580 eni580np1: renamed from eth1
[ 1049.745086][T12750] Could not find device with ifindex 2000 in netnsfd 11
[ 1049.746031][T12750] Could not find netns with fd: 2000
[ 1049.746775][T12750] Cannot link a netdevsim to itself
[ 1049.747593][T12750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).