noironetworks / opflex / 2144

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Add permit logging

Add logs in opflex_agent when the log action is set
and packet is permitted in the access/integration policy tables.
For ct flows, only log for the flow where packet goes to the next table.

Permit action will add a clone flow like this:
ADD|cookie=0x1, duration=0s, table=4, n_packets=0, n_bytes=0, send_flow_rem idle_age=0, priority=8192,tcp,reg0=0x2,nw_dst=10.0.0.0/16,tp_dst=80 actions=clone(move:NXM_NX_REG0[]->NXM_NX_TUN_METADATA0[0..31],move:NXM_NX_REG1[]->NXM_NX_TUN_METADATA1[0..31],move:NXM_NX_REG2[]->NXM_NX_TUN_METADATA2[0..31],move:NXM_NX_REG3[]->NXM_NX_TUN_METADATA3[0..31],move:NXM_NX_REG4[]->NXM_NX_TUN_METADATA4[0..31],move:NXM_NX_REG5[]->NXM_NX_TUN_METADATA5[0..31],move:NXM_NX_REG6[]->NXM_NX_TUN_METADATA6[0..31],move:NXM_NX_REG7[]->NXM_NX_TUN_METADATA7[0..31],move:NXM_NX_CT_STATE[]->NXM_NX_TUN_METADATA8[0..31],move:NXM_NX_CT_ZONE[]->NXM_NX_TUN_METADATA9[0..15],move:NXM_NX_CT_MARK[]->NXM_NX_TUN_METADATA10[0..31],move:NXM_NX_CT_LABEL[]->NXM_NX_TUN_METADATA11[0..127],load:0x4->NXM_NX_TUN_METADATA12[960..991],load:0x2->NXM_NX_TUN_METADATA13[960..991],load:0x100000000->NXM_NX_TUN_METADATA14[928..991],load:0x800->OXM_OF_METADATA[],resubmit(,7)),goto_table:5

Signed-off-by: Kiran Shastri <shastrinator@gmail.com>

38 of 38 new or added lines in 4 files covered. (100.0%)

25208 of 31731 relevant lines covered (79.44%)

2529.43 hits per line