[ 1040.831343][T12585] netdevsim netdevsim640 eni640np1: renamed from eth1
[ 1040.927972][T12588] netdevsim netdevsim438 eni438np1: renamed from eth0
[ 1042.879843][T12580] Could not find device with ifindex 2000 in netnsfd 11
[ 1042.880835][T12580] Could not find netns with fd: 2000
[ 1042.881787][T12580] Cannot link a netdevsim to itself
[ 1042.882587][T12580] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).