1 [0-9a-f]+ +DF \*UND\* [0-9a-f]+ +(0x[0-9a-f]+ )?_?show_foo
2 [0-9a-f]+ +DF \*UND\* [0-9a-f]+ +VERS_2.0 +(0x[0-9a-f]+ )?_?show_foo
3 [0-9a-f]+ +DF \*UND\* [0-9a-f]+ +VERS_1.2 +(0x[0-9a-f]+ )?_?show_foo
4 [0-9a-f]+ +DF \*UND\* [0-9a-f]+ +VERS_1.1 +(0x[0-9a-f]+ )?_?show_foo