[ 3524.435712][T20514] gre: GRE over IPv4 demultiplexor driver
[ 3526.594401][T20537] ip_gre: GRE over IPv4 tunneling driver
[ 3586.815568][T21108] ip6_gre: GRE over IPv6 tunneling driver
[ 3627.962173][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3633.786114][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3638.714118][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3644.601201][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!