[ 1039.741885][T12648] netdevsim netdevsim715 eni715np1: renamed from eth1
[ 1039.849540][T12650] netdevsim netdevsim481 eni481np1: renamed from eth0
[ 1041.847332][T12642] Could not find device with ifindex 2000 in netnsfd 11
[ 1041.848650][T12642] Could not find netns with fd: 2000
[ 1041.849401][T12642] Cannot link a netdevsim to itself
[ 1041.850424][T12642] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).