[ 1237.509595][T11146] netdevsim netdevsim693 eni693np1: renamed from eth1
[ 1237.539859][T11147] netdevsim netdevsim374 eni374np1: renamed from eth0
[ 1240.815555][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.816312][T11138] Could not find netns with fd: 2000
[ 1240.816840][T11138] Cannot link a netdevsim to itself
[ 1240.817548][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).