[ 1248.475094][T12912] netdevsim netdevsim577 eni577np1: renamed from eth1
[ 1248.547757][T12914] netdevsim netdevsim485 eni485np1: renamed from eth0
[ 1251.181652][T12907] Could not find device with ifindex 2000 in netnsfd 11
[ 1251.183144][T12907] Could not find netns with fd: 2000
[ 1251.184065][T12907] Cannot link a netdevsim to itself
[ 1251.185200][T12907] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).