Rancher unable provisioning ec2 instances aws

hi, can help me please.
my rancher server stucks in “waiting for ssh available”

my security groups its OK allow all trafic
my public subnets its OK
user ssh OK

After minutes it changes to “Detecting the provisioner”
and then to “Providing with rancherOs”
but I never know if it can do SSH because it keeps provisioning the OS for many minutes, and in the log I don’t see if it can do SSH.

Please help me.

I have already tried several old and new versions.