[ 1433.346041][T12613] netdevsim netdevsim522 eni522np1: renamed from eth1
[ 1433.367370][T12614] netdevsim netdevsim272 eni272np1: renamed from eth0
[ 1437.096977][T12606] Could not find device with ifindex 2000 in netnsfd 11
[ 1437.097779][T12606] Could not find netns with fd: 2000
[ 1437.098424][T12606] Cannot link a netdevsim to itself
[ 1437.099148][T12606] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).