[ 1273.430815][T12611] netdevsim netdevsim673 eni673np1: renamed from eth1
[ 1273.533609][T12612] netdevsim netdevsim480 eni480np1: renamed from eth0
[ 1276.097937][T12599] Could not find device with ifindex 2000 in netnsfd 11
[ 1276.099538][T12599] Could not find netns with fd: 2000
[ 1276.101033][T12599] Cannot link a netdevsim to itself
[ 1276.102917][T12599] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).