skip_hdr_encodes:

number of SKIP V1 headers encoded 

skip_hdr_decodes:

number of SKIP V1 headers decoded 

skip_ipsp_encodes:

number of SKIP V2 headers encoded 

skip_ipsp_decodes:

number of SKIP V2 headers decoded 

skip_hdr_bad_versions:

invalid protocol version 

skip_hdr_short_ekps:

short eKp fields 

skip_hdr_short_mids:

short MID fields 

skip_hdr_bad_kp_algs:

unknown crypto algorithms 

skip_hdr_runts:

short SKIP V1 packets 

skip_hdr_short_nodeids:

short SKIP V1 node ids 

skip_hdr_bad_nsid:

bad V2 namespace ID 

skip_hdr_bad_mac_alg:

bad MAC algorithm 

skip_hdr_bad_mac_size:

bad MAC data size 

skip_hdr_bad_mac_val:

bad MAC value 

skip_hdr_bad_next:

bad V2 next protocol field 

skip_hdr_bad_esp_spi:

bad V2 encryption SPI field 

skip_hdr_bad_ah_spi:

bad V2 MAC SPI field 

skip_hdr_bad_iv:

bad V2 initialization vector 

skip_hdr_short_r_mkeyid:

short V2 receiver key ID 

skip_hdr_short_s_mkeyid:

short V2 sender key ID 

skip_hdr_bad_r_mkeyid:

bad V2 receiver key ID