MKNOD returns an EntryOut that we can decode.

Before:

20:27:39.722507 rx 24914: MKNOD n1 {010644 (022), 0} ["pipe"] 5b
20:27:39.722546 tx 24914:     OK

After:

20: 32:39.156352 rx 38: MKNOD n1 {010644 (022), 0} ["pipe"] 5b
20: 32:39.156389 tx 38:     OK, {n3 g1 tE=1s tA=1s {M010644 SZ=0 L=1 1027:1027 B0*4096 i0:46906 A 1641756759.155157 M 1641756759.155157 C 1641756759.155157}}
Change-Id: If40e690219f20459466d7c8f9aa822c7186179dc