[ 1013.579574][T12132] netdevsim netdevsim740 eni740np1: renamed from eth1
[ 1013.670973][T12065] netdevsim netdevsim405 eni405np1: renamed from eth0
[ 1015.449447][T12553] Could not find device with ifindex 2000 in netnsfd 11
[ 1015.450581][T12553] Could not find netns with fd: 2000
[ 1015.451264][T12553] Cannot link a netdevsim to itself
[ 1015.452058][T12553] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).