[ 1235.919537][T12616] netdevsim netdevsim276 eni276np1: renamed from eth0
[ 1236.001923][T12615] netdevsim netdevsim555 eni555np1: renamed from eth1
[ 1238.753805][T12603] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.755093][T12603] Could not find netns with fd: 2000
[ 1238.756159][T12603] Cannot link a netdevsim to itself
[ 1238.766886][T12603] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).