[ 1273.223671][T12918] netdevsim netdevsim495 eni495np1: renamed from eth0
[ 1273.266579][T12920] netdevsim netdevsim519 eni519np1: renamed from eth1
[ 1276.046199][T12908] Could not find device with ifindex 2000 in netnsfd 11
[ 1276.048207][T12908] Could not find netns with fd: 2000
[ 1276.049090][T12908] Cannot link a netdevsim to itself
[ 1276.053228][T12908] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).