[ 1047.981051][T12762] netdevsim netdevsim340 eni340np1: renamed from eth0
[ 1048.073012][T12761] netdevsim netdevsim539 eni539np1: renamed from eth1
[ 1050.003829][T12754] Could not find device with ifindex 2000 in netnsfd 11
[ 1050.005016][T12754] Could not find netns with fd: 2000
[ 1050.005719][T12754] Cannot link a netdevsim to itself
[ 1050.006515][T12754] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).