batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
SYZFAIL: ebtable: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: repeatedly failed to execute the program
proc=4 req=658 state=3 status=67 (errno 9: Bad file descriptor)