[ 1033.570153][ T8141] netdevsim netdevsim636 eni636np1: renamed from eth1
[ 1033.602392][ T8143] netdevsim netdevsim321 eni321np1: renamed from eth0
[ 1036.979264][ T8134] Could not find device with ifindex 2000 in netnsfd 11
[ 1036.980105][ T8134] Could not find netns with fd: 2000
[ 1036.980698][ T8134] Cannot link a netdevsim to itself
[ 1036.981382][ T8134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).