Unable to change the bonding option 'lacp_rate' on the running system via sysfs

Issue

• Trying to change the lacp_rate bonding option via sysfs or /sys/class/net/bond0/bonding/lacp_rate fails with error -bash: echo: write error: Operation not permitted as shown below;

[root@localhost ~]# echo 1 > /sys/class/net/bond0/bonding/lacp_rate
-bash: echo: write error: Operation not permitted
[root@localhost ~]# 

[root@localhost ~]# echo "fast 1" > /sys/class/net/bond0/bonding/lacp_rate
-bash: echo: write error: Operation not permitted
[root@localhost ~]#

• At the same time below messages is generated in /var/log/messages

Feb 21 19:59:14 localhost kernel: bonding: bond0: Unable to update LACP rate because interface is up.