my $link1_mac = $anvil->data->{variables}{form}{config_step2}{$link1_key}{value};
my $is_gateway = $this_network eq $gateway_interface ? 1 : 0;
my $link2_mac = defined $anvil->data->{variables}{form}{config_step2}{$link2_key}{value} ? $anvil->data->{variables}{form}{config_step2}{$link2_key}{value} : "";
my $is_gateway = $this_network eq $gateway_interface ? 1 : 0;
my $link2_mac = defined $anvil->data->{variables}{form}{config_step2}{$link2_key}{value} ? $anvil->data->{variables}{form}{config_step2}{$link2_key}{value} : "";
my $old_link1_iface = $anvil->data->{network}{$local_host}{mac_address}{$link1_mac}{interface} ? $anvil->data->{network}{$local_host}{mac_address}{$link1_mac}{interface} : "";
my $old_link2_iface = defined $anvil->data->{network}{$local_host}{mac_address}{$link2_mac}{interface} ? $anvil->data->{network}{$local_host}{mac_address}{$link2_mac}{interface} : "";
my $bridge = defined $anvil->data->{variables}{form}{config_step2}{$bridge_key}{value} ? $anvil->data->{variables}{form}{config_step2}{$bridge_key}{value} : 0;
my $bridge = defined $anvil->data->{variables}{form}{config_step2}{$bridge_key}{value} ? $anvil->data->{variables}{form}{config_step2}{$bridge_key}{value} : 0;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {