[ 3170.686752][T22573] gre: GRE over IPv4 demultiplexor driver
[ 3172.693904][T22597] ip_gre: GRE over IPv4 tunneling driver
[ 3232.846943][T23172] ip6_gre: GRE over IPv6 tunneling driver
[ 3274.624304][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3280.320229][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3285.248215][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3291.009251][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!