[ 1430.028182][T12521] netdevsim netdevsim260 eni260np1: renamed from eth0
[ 1430.056059][T12522] netdevsim netdevsim548 eni548np1: renamed from eth1
[ 1433.596319][T12515] Could not find device with ifindex 2000 in netnsfd 11
[ 1433.597688][T12515] Could not find netns with fd: 2000
[ 1433.598684][T12515] Cannot link a netdevsim to itself
[ 1433.600179][T12515] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).