[ 4326.270480][T20446] gre: GRE over IPv4 demultiplexor driver
[ 4328.481506][T20469] ip_gre: GRE over IPv4 tunneling driver
[ 4391.738037][T21040] ip6_gre: GRE over IPv6 tunneling driver
[ 4434.964775][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4440.980680][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4446.356632][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4452.372632][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!