[ 3192.972481][T28899] gre: GRE over IPv4 demultiplexor driver
[ 3194.132910][T28922] ip_gre: GRE over IPv4 tunneling driver
[ 3228.748365][T29501] ip6_gre: GRE over IPv6 tunneling driver
[ 3230.318382][T26160] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3253.226321][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3257.130325][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3260.458331][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3264.234331][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!