[ 1049.416459][ T8141] netdevsim netdevsim536 eni536np1: renamed from eth1
[ 1049.430493][ T8144] netdevsim netdevsim428 eni428np1: renamed from eth0
[ 1052.871456][ T8134] Could not find device with ifindex 2000 in netnsfd 11
[ 1052.872187][ T8134] Could not find netns with fd: 2000
[ 1052.872736][ T8134] Cannot link a netdevsim to itself
[ 1052.873652][ T8134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).