[ 1322.142693][T11139] netdevsim netdevsim303 eni303np1: renamed from eth0
[ 1322.260162][T11140] netdevsim netdevsim720 eni720np1: renamed from eth1
[ 1326.029645][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1326.030863][T11131] Could not find netns with fd: 2000
[ 1326.031711][T11131] Cannot link a netdevsim to itself
[ 1326.032807][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).