iRule not triggered on target VIP after using the virtual iRule command to direct traffic to it

rule syslog-pool-select-v5 {
when CLIENT_ACCEPTED {
    switch [IP::client_addr] {
        xxx.xxx.xxx.xxx -
        xxx.xxx.xxx.xxx { virtual seim-syslog-tacacs; return }
    }
    if { [matchclass [IP::client_addr] starts_with syslog_chan1_string] }
    { pool syslog_pool_Channel_1 }
    elseif { [matchclass [IP::client_addr] starts_with syslog_chan2_string] }
    { pool syslog_pool_Channel_2 }
}
when LB_SELECTED {
    log local0. "[IP::client_addr]:[UDP_::client_port]: selected: [LB::server]"
}
when SERVER_CONNECTED {
    log local0. "[IP::client_addr]:[UDP_::client_port]: Connected: [IP::server_addr]:[UDP::server_port]"
}
}
rule syslog-tacacs-pool-select-v2 {
when CLIENT_DATA {
    set paddr [findstr [UDP::payload] Address 8 ,]
    log local0.info "address $paddr"
    if { [matchclass $paddr starts_with $::xxxxxsubnetstring] } { set ::xxxxx 1
    log local0.info "I matched the xxxxx pool, YAY!.....addr $paddr" }
    else { set ::xxxxx 0
        log local0.info "selected syslog channel 1" }
}
when LB_SELECTED {
    set paddr [findstr [UDP::payload] Address 8 ,]
    switch $::xxxxx {
        1 { LB::reselect pool syslog_pool_xxxxx
            log local0.info "I selected the xxxxx pool, YAY!.....addr $paddr"
        }
    }
}
when LB_SELECTED priority 501 {
    log local0. "[IP::client_addr]:[UDP_::client_port]: selected: [LB::server]"
}
when SERVER_CONNECTED {
    log local0. "[IP::client_addr]:[UDP_::client_port]: Connected: [IP::server_addr]:[UDP::server_port]"
}
}