Will interfaces in a port channel inherit vlans if they have existing vlan config on them?

For example:

interface TenGigabitEthernet1/1/1 switchport trunk allowed vlan 5,6,7,8 switchport mode trunk switchport nonegotiate channel-group 10 mode active interface TenGigabitEthernet2/1/1 switchport trunk allowed vlan 5,6 switchport mode trunk switchport nonegotiate channel-group 10 mode active interface Port-channel10 switchport trunk allowed vlan 5,6 switchport mode trunk switchport nonegotiate end 

(I know this is not set up ideally but it's what I've got - Te1/1/1 is currently suspended) Does adding vlans to Po10 overwrite the interface config? Or does that only work when there isn't a vlan statement on the interfaces.

If I change Po10 to allow vlan 5,6,7,8 will this cause te1/1/1 to come up and te2/1/1 to go down? Would that cause a visible outage?

Thanks!