[ 3101.041596][T22571] gre: GRE over IPv4 demultiplexor driver
[ 3102.950512][T22595] ip_gre: GRE over IPv4 tunneling driver
[ 3161.291662][T23170] ip6_gre: GRE over IPv6 tunneling driver
[ 3202.031778][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3207.855719][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3212.718728][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3218.542738][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!