[ 1051.776624][T12761] netdevsim netdevsim720 eni720np1: renamed from eth1
[ 1051.911190][T12762] netdevsim netdevsim380 eni380np1: renamed from eth0
[ 1053.642077][T12754] Could not find device with ifindex 2000 in netnsfd 11
[ 1053.643085][T12754] Could not find netns with fd: 2000
[ 1053.643808][T12754] Cannot link a netdevsim to itself
[ 1053.644885][T12754] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).