In Arista switch, on trunk port, if you need to change native vlan and you have deployed all using a trunk group option and not a classical trunk mode you have to put inside a trunk group also the new native vlan :
vlan 123(new native vlan)
trunk group test
vlan 124
trunk group test
interface ethernet 10
switchport
switchport mode trunk
switchport trunk group test
switchport trunk native vlan 123
Now your hybrid port is ready to deploy!