[ 3135.463240][T22576] gre: GRE over IPv4 demultiplexor driver
[ 3137.457164][T22599] ip_gre: GRE over IPv4 tunneling driver
[ 3196.908373][T23173] ip6_gre: GRE over IPv6 tunneling driver
[ 3238.623167][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3244.446006][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3249.438035][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3255.389981][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!