[ 1266.118122][T12861] netdevsim netdevsim667 eni667np1: renamed from eth1
[ 1266.238733][T12863] netdevsim netdevsim422 eni422np1: renamed from eth0
[ 1268.766024][T12850] Could not find device with ifindex 2000 in netnsfd 11
[ 1268.767662][T12850] Could not find netns with fd: 2000
[ 1268.768937][T12850] Cannot link a netdevsim to itself
[ 1268.770036][T12850] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).